Standard Lemma guide

testify

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

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.

  • /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.

Meaning relationships

Synonyms: attest, take the stand, bear witness

Antonyms: none provided

Broader terms: declare

Narrower terms: vouch

5

verb

Meaning 5

provide evidence for

Definition source: Princeton WordNet 3.0

Examples

  • The blood test showed that he was the father
  • Her behavior testified to her incompetence

Meaning relationships

Synonyms: bear witness, prove, evidence, show

Antonyms: none provided

Broader terms: inform

Narrower terms: attest, certify, manifest, demonstrate, evidence, presume, adduce, abduce, cite

History

Etymology

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