verb · 5 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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/ˈtɛstɪfaɪ/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:T EH1 S T AH0 F AY2
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
verb
Meaning 1
To make a declaration, or give evidence, under oath.
Definition source: English Wiktionary via Wiktextract
Usage: ambitransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
verb
Meaning 2
To make a statement based on personal knowledge or faith.
Definition source: English Wiktionary via Wiktextract
Usage: ambitransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
verb
Meaning 3
To be evidence of.
Definition source: English Wiktionary via Wiktextract
Usage: ambitransitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
give testimony in a court of law
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
PIE word *tréyes From Middle English testifien, borrowed from Old French testifier, from Latin testificārī (“to bear witness”), from testis (“a witness”) + facere (“to make”). See -fy.
Across languages
Translations
61 source translations are retained for this English entry.
Albanian:
dëshmoj
— to make a declaration, or give evidence, under oath
Arabic:
شَهِدَ
(šahida)
— to make a declaration, or give evidence, under oath
Armenian:
վկայել
(vkayel)
— to make a declaration, or give evidence, under oath
Armenian:
վկայություն տալ
(vkayutʻyun tal)
— to make a declaration, or give evidence, under oath
Bulgarian:
свидетелствам
(svidetelstvam)
— to make a declaration, or give evidence, under oath
Catalan:
declarar
— to make a declaration, or give evidence, under oath
Catalan:
testificar
— to make a declaration, or give evidence, under oath
Catalan:
testimoniar
— to make a declaration, or give evidence, under oath
Chinese Mandarin:
作證 /作证
(zuòzhèng)
— to make a declaration, or give evidence, under oath
Czech:
svědčit
— to make a declaration, or give evidence, under oath
Danish:
bevidne
— to make a declaration, or give evidence, under oath
Dutch:
getuigen
— to make a declaration, or give evidence, under oath
Egyptian:
mt:t:r-Dba-Dba-A2
(mtr)
— to make a declaration, or give evidence, under oath
Finnish:
todistaa
— to make a declaration, or give evidence, under oath
French:
témoigner
— to make a declaration, or give evidence, under oath
French:
attester
— to make a declaration, or give evidence, under oath
German:
bezeugen
— to make a declaration, or give evidence, under oath
Gothic:
𐍅𐌴𐌹𐍄𐍅𐍉𐌳𐌾𐌰𐌽
(weitwōdjan)
— to make a declaration, or give evidence, under oath
Ancient Greek:
μαρτυρέω
(marturéō)
— to make a declaration, or give evidence, under oath
Higaonon:
saksi
— to make a declaration, or give evidence, under oath
Hungarian:
tanúvallomást tesz
— to make a declaration, or give evidence, under oath
Hungarian:
tanúskodik
— to make a declaration, or give evidence, under oath
Hungarian:
vall
— to make a declaration, or give evidence, under oath
Italian:
deporre
— to make a declaration, or give evidence, under oath
Italian:
testimoniare
— to make a declaration, or give evidence, under oath
Japanese:
証言する
(shōgen suru)
— to make a declaration, or give evidence, under oath
Korean:
증언하다
(jeung'eonhada)
— to make a declaration, or give evidence, under oath
Latin:
testificor
— to make a declaration, or give evidence, under oath
Māori:
taunaki
— to make a declaration, or give evidence, under oath
Norwegian Bokmål:
bevitne
— to make a declaration, or give evidence, under oath
Persian:
شهادت دادن
— to make a declaration, or give evidence, under oath
Polish:
zeznawać
— to make a declaration, or give evidence, under oath
Portuguese:
declarar
— to make a declaration, or give evidence, under oath
Portuguese:
depor
— to make a declaration, or give evidence, under oath
Romanian:
atesta (jurând)
— to make a declaration, or give evidence, under oath
Romanian:
declara (jurând)
— to make a declaration, or give evidence, under oath
Romanian:
adeveri
— to make a declaration, or give evidence, under oath
Russian:
свиде́тельствовать
(svidételʹstvovatʹ)
— to make a declaration, or give evidence, under oath
Russian:
засвиде́тельствовать
(zasvidételʹstvovatʹ)
— to make a declaration, or give evidence, under oath
Russian:
дава́ть показа́ния
(davátʹ pokazánija)
— to make a declaration, or give evidence, under oath
Russian:
дать показа́ния
(datʹ pokazánija)
— to make a declaration, or give evidence, under oath
Serbo-Croatian:
svjedòčiti
— to make a declaration, or give evidence, under oath
Spanish:
testificar
— to make a declaration, or give evidence, under oath
Swedish:
vittna
— to make a declaration, or give evidence, under oath
Tagalog:
manaksi
— to make a declaration, or give evidence, under oath
Turkish:
ifade vermek
— to make a declaration, or give evidence, under oath
Bulgarian:
изразявам
(izrazjavam)
— to make a statement based on personal knowledge or faith
Ancient Greek:
μαρτυρέω
(marturéō)
— to make a statement based on personal knowledge or faith
Hungarian:
tanúsít
— to make a statement based on personal knowledge or faith
Hungarian:
tanúskodik
— to make a statement based on personal knowledge or faith
Hungarian:
tanúságot tesz
— to make a statement based on personal knowledge or faith
Norwegian Bokmål:
bevitne
— to make a statement based on personal knowledge or faith
Portuguese:
atestar
— to make a statement based on personal knowledge or faith
Romanian:
atesta
— to make a statement based on personal knowledge or faith
Russian:
свиде́тельствовать
(svidételʹstvovatʹ)
— to make a statement based on personal knowledge or faith
Russian:
засвиде́тельствовать
(zasvidételʹstvovatʹ)
— to make a statement based on personal knowledge or faith
Serbo-Croatian:
svjedòčiti
— to make a statement based on personal knowledge or faith
Spanish:
atestiguar
— to make a statement based on personal knowledge or faith
Spanish:
aseverar
— to make a statement based on personal knowledge or faith
Swedish:
vittna
— to make a statement based on personal knowledge or faith
Tagalog:
manaksi
— to make a statement based on personal knowledge or faith