testify

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testify

  • /ˈtɛstɪfaɪ/

Where it comes from

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.

verb testifies · testifying · testified · testify

  1. ambitransitive To make a declaration, or give evidence, under oath. One witness shall not testify against any person to cause him to die.
  2. ambitransitive To make a statement based on personal knowledge or faith. We speak that we do know, and testify that we have seen; and ye receive not our witness.
  3. ambitransitive, with to To be evidence of. Paradoxically, the sharp and unambiguous formulas in which Lenin called for the use of terror and denied the possibility of democracy and freedom testified to the fact that freedom had not yet been completely eradicated.

Similar: bear witness

Thesaurus

Closest in meaning: bear witness, attest, prove, evidence, show, testimony, witness, depone, vouch, certify, swear, see, verify, acknowledge, certificate, corroborate

verb

Similar: bear witness

Translations

Every language

verb to make a declaration, or give evidence, under oath

Españoltestificar
한국어증언하다 jeung'eonhada
日本語証言する shōgen suru
中文作證 /作证 zuòzhèng
Portuguêsdeclarar, depor
Françaistémoigner, attester
Deutschbezeugen
Italianodeporre, testimoniare
Românăatesta (jurând), declara (jurând), adeveri
Русскийсвиде́тельствовать svidételʹstvovatʹ, засвиде́тельствовать zasvidételʹstvovatʹ, дава́ть показа́ния davátʹ pokazánija, дать показа́ния datʹ pokazánija
العربيةشَهِدَ šahida

verb to make a statement based on personal knowledge or faith

Españolatestiguar, aseverar
Portuguêsatestar
Românăatesta
Русскийсвиде́тельствовать svidételʹstvovatʹ, засвиде́тельствовать zasvidételʹstvovatʹ

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MLA

"testify." Wiktionary, via Micwyn, micwyn.com/word/testify. Accessed 6 Nov. 2026.

APA

testify. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/testify

Chicago

"testify." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/testify.

BibTeX
@misc{testify_2026,
  title = {testify},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/testify},
  urldate = {2026-11-06}
}