verb · 12 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
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/ˈfɒlsɪfaɪ/
/ˈfɔːlsɪfaɪ/
US:Recorded audio is listed in the source snapshot.
rhymes with -ɒlsɪfaɪ
rhymes with -ɔːlsɪfaɪ
CMU ARPABET:F AO1 L S AH0 F AY2
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
verb
Meaning 1
To alter so as to make false; especially when done with intent to deceive.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
to falsify a record or document
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To misrepresent.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To counterfeit; to forge.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Examples
to falsify money
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To prove to be false.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Qualifier: otherwise archaic
Topics: sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
verb
Meaning 5
To show (an item of charge inserted in an account) to be wrong.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Topics: accounting, business, finance
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
6
verb
Meaning 6
To baffle or escape.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
7
verb
Meaning 7
To violate; to break by falsehood.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete, transitive
Examples
to falsify one's faith or word
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
verb
Meaning 8
insert words into texts, often falsifying it thereby
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: interpolate, alter
Antonyms: none provided
Broader terms: edit, redact
9
verb
Meaning 9
falsify knowingly
Definition source: Princeton WordNet 3.0
Examples
She falsified the records
Meaning relationships
Synonyms: none provided
Antonyms: correct
Broader terms: change by reversal, turn, reverse
10
verb
Meaning 10
prove false
Definition source: Princeton WordNet 3.0
Examples
Falsify a claim
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: disprove, confute
11
verb
Meaning 11
make false by mutilation or addition; as of a message or story
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
From French falsifier, from Late Latin falsificāre (“make false, corrupt, counterfeit, falsify”), from Latin falsificus, from falsus (“false”), corresponding to false + -ify.
Across languages
Translations
72 source translations are retained for this English entry.
Armenian:
կեղծել
(keġcel)
— to alter so as to be false
Belarusian:
фальсіфікава́ць
(falʹsifikavácʹ)
— to alter so as to be false
Bulgarian:
фалшифици́рам
(falšificíram)
— to alter so as to be false
Bulgarian:
подпра́вям
(podprávjam)
— to alter so as to be false
Bulgarian:
подпра́вя
(podprávja)
— to alter so as to be false
Catalan:
falsificar
— to alter so as to be false
Catalan:
falsejar
— to alter so as to be false
Dutch:
vervalsen
— to alter so as to be false
Esperanto:
falsi
— to alter so as to be false
Finnish:
väärentää
— to alter so as to be false
French:
falsifier
— to alter so as to be false
Galician:
falsificar
— to alter so as to be false
Hungarian:
hamisít
— to alter so as to be false
Hungarian:
meghamisít
— to alter so as to be false
Japanese:
改竄する
(kaizan suru)
— to alter so as to be false
Japanese:
偽造
(gizō suru)
— to alter so as to be false
Korean:
위조하다
(wijohada)
— to alter so as to be false
Latin:
ēmentior
— to alter so as to be false
Latin:
vitio
— to alter so as to be false
Māori:
tahupera
— to alter so as to be false
Māori:
aweke
— to alter so as to be false
Māori:
whakatapeha
— to alter so as to be false
Polish:
fałszować
— to alter so as to be false
Polish:
podrabiać
— to alter so as to be false
Polish:
sfingować
— to alter so as to be false
Polish:
falsyfikować
— to alter so as to be false
Portuguese:
falsificar
— to alter so as to be false
Romanian:
denatura
— to alter so as to be false
Romanian:
falsifica
— to alter so as to be false
Russian:
фальсифици́ровать
(falʹsificírovatʹ)
— to alter so as to be false
Russian:
сфальсифици́ровать
(sfalʹsificírovatʹ)
— to alter so as to be false
Russian:
подде́лывать
(poddélyvatʹ)
— to alter so as to be false
Russian:
подде́лать
(poddélatʹ)
— to alter so as to be false
Spanish:
falsificar
— to alter so as to be false
Spanish:
falsear
— to alter so as to be false
Ukrainian:
фальсифікува́ти
(falʹsyfikuváty)
— to alter so as to be false
Bulgarian:
изопача́вам
(izopačávam)
— to misrepresent
Bulgarian:
изопача́
(izopačá)
— to misrepresent
Catalan:
falsificar
— to misrepresent
Catalan:
falsejar
— to misrepresent
Finnish:
tekeytyä
— to misrepresent
Finnish:
teeskennellä
— to misrepresent
Māori:
aweke
— to misrepresent
Portuguese:
falsificar
— to misrepresent
Romanian:
falsifica
— to misrepresent
Russian:
искажа́ть
(iskažátʹ)
— to misrepresent
Russian:
искази́ть
(iskazítʹ)
— to misrepresent
Bulgarian:
опроверга́вам
(oprovergávam)
— to prove to be false
Bulgarian:
опроверга́я
(oprovergája)
— to prove to be false
Catalan:
falsejar
— to prove to be false
Catalan:
falsificar
— to prove to be false
Finnish:
osoittaa vääräksi
— to prove to be false
German:
falsifizieren
— to prove to be false
German:
widerlegen
— to prove to be false
Hebrew:
הפריך
(hifríkh)
— to prove to be false
Hungarian:
cáfol
— to prove to be false
Hungarian:
megcáfol
— to prove to be false
Hungarian:
falszifikál
— to prove to be false
Russian:
опроверга́ть
(oprovergátʹ)
— to prove to be false
Russian:
опрове́ргнуть
(oprovérgnutʹ)
— to prove to be false
Spanish:
falsar
— to prove to be false
Dutch:
vervalsen
— to counterfeit, forge
Finnish:
väärentää
— to counterfeit, forge
Galician:
falsificar
— to counterfeit, forge
Hungarian:
hamisít
— to counterfeit, forge
Japanese:
偽造する
(gizō suru)
— to counterfeit, forge
Polish:
fałszować
— to counterfeit, forge
Polish:
sfałszować
— to counterfeit, forge
Spanish:
falsificar
— to counterfeit, forge
Finnish:
paljastaa
— finance: to show to be wrong
Finnish:
väistää
— (obsolete in English) to baffle or escape
Finnish:
pettää
— (obsolete in English) to break by falsehood