adj · name · noun · verb · 31 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Canada, UK:pro͞of
Canada, UK:/pɹuːf/
US:pro͞of
US:/pɹuf/
US:Recorded audio is listed in the source snapshot.
Australian, New-Zealand:pro͞of
Australian, New-Zealand:/pɹʉːf/
rhymes with -uːf
CMU ARPABET:P R UW1 F
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Used in proving or testing.
Definition source: English Wiktionary via Wiktextract
Examples
a proof load; a proof charge
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Firm or successful in resisting.
Definition source: English Wiktionary via Wiktextract
Examples
proof against harm
waterproof; bombproof
quoted in 1818, Christopher Kelly, History of the French Revolution and of the Wars produced by that Memorable Event The French cavalry, in proof armour, repeatedly charged our squares, their cannon opening chasms; but the British infantry, though greatly diminished, were inflexible and impenetrable to the last.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adj
Meaning 3
Being of a certain standard as to alcohol content.
Definition source: English Wiktionary via Wiktextract
Examples
60% proof liquor
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
name
Meaning 4
The 98th sura (chapter) of the Qur'an.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Examples
I need proof of your unconditional love. Lend me some dough.
1591, Edmund Spenser, Prosopopoia: or, Mother Hubbard's Tale, later also published in William Michael Rossetti, Humorous Poems, But the false Fox most kindly played his part, For whatsoever mother-wit or art Could work he put in proof. No practice sly, No counterpoint of cunning policy, No reach, no breach, that might him profit bring. But he the same did to his purpose wring.
Meaning relationships
Synonyms: none provided
Antonyms: disproof
6
noun
Meaning 6
The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: testament, testimony
Antonyms: none provided
7
noun
Meaning 7
The quality or state of having been proved or tried; firmness or hardness which resists impression, or does not yield to force; impenetrability of physical bodies.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
noun
Meaning 8
Experience of something.
Definition source: English Wiktionary via Wiktextract
Usage: countable, obsolete, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
noun
Meaning 9
Firmness of mind; stability not to be shaken.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
10
noun
Meaning 10
A proof sheet; a trial impression, as from type, taken for correction or examination.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: media, printing, publishing
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
11
noun
Meaning 11
A limited-run high-quality strike of a particular coin, originally as a test run, although nowadays mostly for collectors' sets.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: hobbies, lifestyle, numismatics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
12
noun
Meaning 12
A sequence of statements consisting of axioms, assumptions, statements already demonstrated in another proof, and statements that logically follow from previous statements in the sequence, and which concludes with a statement that is the object of the proof.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
13
noun
Meaning 13
A process for testing the accuracy of an operation performed. Compare prove, transitive verb, 5.
Definition source: English Wiktionary via Wiktextract
Usage: countable
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
14
noun
Meaning 14
Armour of excellent or tried quality, and deemed impenetrable; properly, armour of proof.
Definition source: English Wiktionary via Wiktextract
Usage: countable, obsolete, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
15
noun
Meaning 15
A measure of the alcohol content of liquor. Originally, in Britain, 100 proof was defined as 57.1% by volume (no longer used). In the US, 100 proof means that the alcohol content is 50% of the total volume of the liquid; thus, perfectly pure absolute alcohol would be 200 proof.
Definition source: English Wiktionary via Wiktextract
Usage: US, countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
16
verb
Meaning 16
To proofread.
Definition source: English Wiktionary via Wiktextract
Usage: colloquial, intransitive, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
17
verb
Meaning 17
To make resistant, especially to water.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
18
verb
Meaning 18
To test-fire with a load considerably more powerful than the firearm in question's rated maximum chamber pressure, in order to establish the firearm's ability to withstand pressures well in excess of those expected in service without bursting.
Definition source: English Wiktionary via Wiktextract
activate by mixing with water and sometimes sugar or milk
Definition source: Princeton WordNet 3.0
Examples
proof yeast
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: change, alter, modify
29
verb
Meaning 29
read for errors
Definition source: Princeton WordNet 3.0
Examples
I should proofread my manuscripts
Meaning relationships
Synonyms: proofread
Antonyms: none provided
Broader terms: see, check, insure, see to it, ensure, control, ascertain, assure
30
verb
Meaning 30
knead to reach proper lightness
Definition source: Princeton WordNet 3.0
Examples
proof dough
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: knead, work
31
verb
Meaning 31
make or take a proof of, such as a photographic negative, an etching, or typeset
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: produce, make, create
History
Etymology
From Middle English proof, from Old French prove, from Late Latin proba (“a proof”), from Latin probō (“to prove”); see prove; compare also the doublet probe.
Across languages
Translations
169 source translations are retained for this English entry.
Bulgarian:
доказателствен
(dokazatelstven)
— used in proving or testing
Finnish:
koe-
— used in proving or testing
Finnish:
testi-
— used in proving or testing
Hebrew:
ראיה
(r"aya)
— used in proving or testing
Bulgarian:
устойчив
(ustojčiv)
— firm or successful in resisting
Bulgarian:
неподдаващ
(nepoddavašt)
— firm or successful in resisting
Finnish:
kestävä
— firm or successful in resisting
Hungarian:
-álló
— firm or successful in resisting
Hungarian:
-biztos
— firm or successful in resisting
Irish:
díonmhar
— firm or successful in resisting
Russian:
-стойкий
(-stojkij)
— firm or successful in resisting
Russian:
-прочный
(-pročnyj)
— firm or successful in resisting
Russian:
-упорный
(-upornyj)
— firm or successful in resisting
Scottish Gaelic:
dìonach
— firm or successful in resisting
Bulgarian:
пруф
(pruf)
— being of a certain standard as to strength
Hungarian:
előírásos fokú
— being of a certain standard as to strength
Arabic:
سورة البينة
— 98th sura of the Qur'an
Albanian:
provë
— any effort, process, or operation designed to establish or discover a fact or truth
Albanian:
dëshmi
— any effort, process, or operation designed to establish or discover a fact or truth
Arabic:
بُرْهَان
(burhān)
— any effort, process, or operation designed to establish or discover a fact or truth
Arabic:
دَلِيل
(dalīl)
— any effort, process, or operation designed to establish or discover a fact or truth
Arabic:
إِثْبَات
(ʔiṯbāt)
— any effort, process, or operation designed to establish or discover a fact or truth
Armenian:
ապացույց
(apacʻuycʻ)
— any effort, process, or operation designed to establish or discover a fact or truth
Asturian:
prueba
— any effort, process, or operation designed to establish or discover a fact or truth
Azerbaijani:
sübut
— any effort, process, or operation designed to establish or discover a fact or truth
Azerbaijani:
isbat
— any effort, process, or operation designed to establish or discover a fact or truth
Azerbaijani:
dəlil
— any effort, process, or operation designed to establish or discover a fact or truth
Bashkir:
дәлил
(dəlil)
— any effort, process, or operation designed to establish or discover a fact or truth
Belarusian:
до́каз
(dókaz)
— any effort, process, or operation designed to establish or discover a fact or truth
Bulgarian:
доказа́телство
(dokazátelstvo)
— any effort, process, or operation designed to establish or discover a fact or truth
Catalan:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Chinese Mandarin:
證據 /证据
(zhèngjù)
— any effort, process, or operation designed to establish or discover a fact or truth
Czech:
důkaz
— any effort, process, or operation designed to establish or discover a fact or truth
Danish:
bevis
— any effort, process, or operation designed to establish or discover a fact or truth
Dutch:
bewijs
— any effort, process, or operation designed to establish or discover a fact or truth
Esperanto:
pruvo
— any effort, process, or operation designed to establish or discover a fact or truth
Estonian:
tõestus
— any effort, process, or operation designed to establish or discover a fact or truth
Estonian:
tõend
— any effort, process, or operation designed to establish or discover a fact or truth
Finnish:
koe
— any effort, process, or operation designed to establish or discover a fact or truth
Finnish:
koestus
— any effort, process, or operation designed to establish or discover a fact or truth
French:
preuve
— any effort, process, or operation designed to establish or discover a fact or truth
Friulian:
prove
— any effort, process, or operation designed to establish or discover a fact or truth
Galician:
proba
— any effort, process, or operation designed to establish or discover a fact or truth
Georgian:
მტკიცებულება
(mṭḳicebuleba)
— any effort, process, or operation designed to establish or discover a fact or truth
German:
Beweis
— any effort, process, or operation designed to establish or discover a fact or truth
Gothic:
𐌺𐌿𐍃𐍄𐌿𐍃
(kustus)
— any effort, process, or operation designed to establish or discover a fact or truth
Greek:
απόδειξη
(apódeixi)
— any effort, process, or operation designed to establish or discover a fact or truth
Ancient Greek:
ἀπόδειξις
(apódeixis)
— any effort, process, or operation designed to establish or discover a fact or truth
Hebrew:
הוֹכָחָה
(hokhakhá)
— any effort, process, or operation designed to establish or discover a fact or truth
Hebrew:
רְאָיָה
(re'ayá)
— any effort, process, or operation designed to establish or discover a fact or truth
Hindi:
प्रमाण
(pramāṇ)
— any effort, process, or operation designed to establish or discover a fact or truth
Hindi:
सबूत
(sabūt)
— any effort, process, or operation designed to establish or discover a fact or truth
Hungarian:
bizonyítás
— any effort, process, or operation designed to establish or discover a fact or truth
Icelandic:
sönnun
— any effort, process, or operation designed to establish or discover a fact or truth
Italian:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Japanese:
証拠
(shōko)
— any effort, process, or operation designed to establish or discover a fact or truth
Kazakh:
дәлел
(dälel)
— any effort, process, or operation designed to establish or discover a fact or truth
Khmer:
ភស្តុតាង
(phŏəh taang)
— any effort, process, or operation designed to establish or discover a fact or truth
Korean:
증거
(jeunggeo)
— any effort, process, or operation designed to establish or discover a fact or truth
Northern Kurdish:
delîl
— any effort, process, or operation designed to establish or discover a fact or truth
Northern Kurdish:
îzbat
— any effort, process, or operation designed to establish or discover a fact or truth
Kyrgyz:
далил
(dalil)
— any effort, process, or operation designed to establish or discover a fact or truth
Ladin:
proa
— any effort, process, or operation designed to establish or discover a fact or truth
Latin:
argūmentum
— any effort, process, or operation designed to establish or discover a fact or truth
Latvian:
pierādījums
— any effort, process, or operation designed to establish or discover a fact or truth
Lithuanian:
įrodymas
— any effort, process, or operation designed to establish or discover a fact or truth
Macedonian:
доказ
(dokaz)
— any effort, process, or operation designed to establish or discover a fact or truth
Malay:
bukti
— any effort, process, or operation designed to establish or discover a fact or truth
Māori:
hāponotanga
— any effort, process, or operation designed to establish or discover a fact or truth
Marathi:
पुरावा
(purāvā)
— any effort, process, or operation designed to establish or discover a fact or truth
Mongolian:
баталгаа
(batalgaa)
— any effort, process, or operation designed to establish or discover a fact or truth
Norwegian Bokmål:
bevis
— any effort, process, or operation designed to establish or discover a fact or truth
Occitan:
pròva
— any effort, process, or operation designed to establish or discover a fact or truth
Old English:
sēþung
— any effort, process, or operation designed to establish or discover a fact or truth
Pashto:
اثبات
(esbāt)
— any effort, process, or operation designed to establish or discover a fact or truth
Pashto:
ثبوت
(sobut)
— any effort, process, or operation designed to establish or discover a fact or truth
Persian:
اثبات
(esbât)
— any effort, process, or operation designed to establish or discover a fact or truth
Persian:
دَلیل
(dalil)
— any effort, process, or operation designed to establish or discover a fact or truth
Plautdietsch:
Tieekjniss
— any effort, process, or operation designed to establish or discover a fact or truth
Plautdietsch:
Bewiess
— any effort, process, or operation designed to establish or discover a fact or truth
Polish:
dowód
— any effort, process, or operation designed to establish or discover a fact or truth
Portuguese:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Romanian:
probă
— any effort, process, or operation designed to establish or discover a fact or truth
Romanian:
dovadă
— any effort, process, or operation designed to establish or discover a fact or truth
Romansh:
cumprova
— any effort, process, or operation designed to establish or discover a fact or truth
Russian:
доказа́тельство
(dokazátelʹstvo)
— any effort, process, or operation designed to establish or discover a fact or truth
Russian:
пруф
(pruf)
— any effort, process, or operation designed to establish or discover a fact or truth
Sardinian:
proa
— any effort, process, or operation designed to establish or discover a fact or truth
Sardinian:
proba
— any effort, process, or operation designed to establish or discover a fact or truth
Sardinian:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Scottish Gaelic:
dearbhadh
— any effort, process, or operation designed to establish or discover a fact or truth
Serbo-Croatian:
до̏ка̄з
— any effort, process, or operation designed to establish or discover a fact or truth
Serbo-Croatian:
dȍkāz
— any effort, process, or operation designed to establish or discover a fact or truth
Sicilian:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Slovak:
dôkaz
— any effort, process, or operation designed to establish or discover a fact or truth
Slovene:
dokaz
— any effort, process, or operation designed to establish or discover a fact or truth
Spanish:
prueba
— any effort, process, or operation designed to establish or discover a fact or truth
Spanish:
comprobación
— any effort, process, or operation designed to establish or discover a fact or truth
Spanish:
constatación
— any effort, process, or operation designed to establish or discover a fact or truth
Spanish:
ejecutoria
— any effort, process, or operation designed to establish or discover a fact or truth
Swedish:
bevis
— any effort, process, or operation designed to establish or discover a fact or truth
Tagalog:
patunay
— any effort, process, or operation designed to establish or discover a fact or truth
Tajik:
исбот
(isbot)
— any effort, process, or operation designed to establish or discover a fact or truth
Tajik:
далел
(dalel)
— any effort, process, or operation designed to establish or discover a fact or truth
Tatar:
дәлил
(dälil)
— any effort, process, or operation designed to establish or discover a fact or truth
Thai:
การพิสูจน์
(gaan-pí-sùut)
— any effort, process, or operation designed to establish or discover a fact or truth
Turkish:
ispat
— any effort, process, or operation designed to establish or discover a fact or truth
Turkish:
delil
— any effort, process, or operation designed to establish or discover a fact or truth
Turkish:
kanıt
— any effort, process, or operation designed to establish or discover a fact or truth
Ukrainian:
до́каз
(dókaz)
— any effort, process, or operation designed to establish or discover a fact or truth
Ukrainian:
до́від
(dóvid)
— any effort, process, or operation designed to establish or discover a fact or truth
Urdu:
ثَبُوت
(sabūt)
— any effort, process, or operation designed to establish or discover a fact or truth
Uyghur:
ئىسپات
(ispat)
— any effort, process, or operation designed to establish or discover a fact or truth
Uyghur:
دەلىل
(delil)
— any effort, process, or operation designed to establish or discover a fact or truth
Uzbek:
isbot
— any effort, process, or operation designed to establish or discover a fact or truth
Uzbek:
dalil
— any effort, process, or operation designed to establish or discover a fact or truth
Venetan:
prova
— any effort, process, or operation designed to establish or discover a fact or truth
Vietnamese:
bằng chứng
— any effort, process, or operation designed to establish or discover a fact or truth
Armenian:
ապացույց
(apacʻuycʻ)
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Esperanto:
pruvo
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Finnish:
todisteet
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Finnish:
todistus
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
French:
preuve
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Galician:
proba
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Hindi:
प्रमाण
(pramāṇ)
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Hungarian:
bizonyíték
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Central Kurdish:
بەلگە
(belge)
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Latin:
indicium
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Portuguese:
prova
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Scottish Gaelic:
dearbhadh
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Spanish:
prueba
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Tagalog:
patunay
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Urdu:
دَلِیل
(dalīl)
— the degree of evidence which convinces the mind of any truth or fact, and produces belief
Bulgarian:
доказан
(dokazan)
— quality or state of having been proved or tried
Galician:
probado
— quality or state of having been proved or tried
Hindi:
प्रमाणिकता
(pramāṇiktā)
— quality or state of having been proved or tried
Hungarian:
bizonyság
— quality or state of having been proved or tried
Māori:
hāponotanga
— quality or state of having been proved or tried
Portuguese:
provado
— quality or state of having been proved or tried
Hungarian:
bizonyosság
— firmness of mind
Bulgarian:
коректу́ра
(korektúra)
— a proof sheet
Catalan:
prova
— a proof sheet
Finnish:
vedos
— a proof sheet
French:
épreuve
— a proof sheet
Galician:
proba
— a proof sheet
German:
Korrekturabzug
— a proof sheet
German:
Druckfahne
— a proof sheet
Hungarian:
levonat
— a proof sheet
Hungarian:
korrektúra
— a proof sheet
Hungarian:
korrektúralevonat
— a proof sheet
Norwegian Bokmål:
korrektur
— a proof sheet
Norwegian Nynorsk:
korrektur
— a proof sheet
Portuguese:
prova
— a proof sheet
Russian:
корректу́ра
(korrektúra)
— a proof sheet
Spanish:
prueba
— a proof sheet
Bulgarian:
про́ба
(próba)
— process for testing the accuracy of an operation performed
Czech:
důkaz
— process for testing the accuracy of an operation performed
Finnish:
todistus
— process for testing the accuracy of an operation performed
French:
preuve
— process for testing the accuracy of an operation performed
Galician:
proba
— process for testing the accuracy of an operation performed
German:
Beweis
— process for testing the accuracy of an operation performed
Hungarian:
próba
— process for testing the accuracy of an operation performed
Portuguese:
prova
— process for testing the accuracy of an operation performed
Afrikaans:
proefmuntstuk
— high-quality strike of a coin
German:
polierte Platte
— high-quality strike of a coin
Bulgarian:
втасвам
(vtasvam)
— to allow yeast-containing dough to rise
Danish:
hæve
— to allow yeast-containing dough to rise
German:
aufgehen lassen
— to allow yeast-containing dough to rise
Polish:
garować
— to allow yeast-containing dough to rise