testify

verb
tes·​ti·​fy | \ ˈte-stə-ˌfī How to pronounce testify (audio) \
testified; testifying

Definition of testify

intransitive verb

1 : to make a solemn declaration under oath for the purpose of establishing a fact (as in a court)
2a : to make a statement based on personal knowledge or belief : bear witness
b : to serve as evidence or proof
3 : to express a personal conviction

transitive verb

1a : to bear witness to : attest
b : to serve as evidence of : prove
2 : to declare under oath before a tribunal or officially constituted public body

3 archaic

a : to make known (a personal conviction)
b : to give evidence of : show

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Other Words from testify

testifier \ ˈte-​stə-​ˌfī(-​ə)r How to pronounce testifier (audio) \ noun

Synonyms for testify

Synonyms

attest, depose, swear, witness

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Examples of testify in a Sentence

She refused to testify about who had given her the information. She testified before Congress today. He agreed to testify against his drug dealer. He testified that he'd seen two people leave the building on the night of the murder. These statistics testify that the program is working. Several people testified during the revival meeting.
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Recent Examples on the Web

The salaries for corrupt officials exceeded $1 million a month, one witness testified. Nicole Hong, WSJ, "What El Chapo’s Trial Revealed: The Inner Workings of a $14 Billion Drug Empire," 12 Feb. 2019 One witness at the trial testified that the plan was hatched after Myles Connor, a notorious art thief, tipped off Ierardi that a big cocaine deal was going to take place at Blackfriars on June 27. Emily Sweeney, BostonGlobe.com, "Four decades have passed since five men were found dead at the Blackfriars Pub in Boston," 12 July 2018 Bloomberg Monsanto Ruling Monsanto, owned these days by Bayer, may be hit with thousands of lawsuits after a federal judge decided to allow an expert witness to testify that the Roundup weedkiller causes cancer. Alan Murray, Fortune, "Trump and NATO, Papa John's Out, Broadcom Buys CA: CEO Daily for July 12, 2018," 12 July 2018 Witnesses testified that a 2001 arson fire occurred shortly after Steven Hammond and his hunting party illegally slaughtered deer on federal Bureau of Land Management property. CBS News, "Oregon ranchers pardoned by Trump arrive home," 11 July 2018 The next witness, FBI agent Chris Molite, testified at length about information included in 3,000 pages of online content generated by a search warrant aimed at Perez’s Facebook account. John Maccormack, San Antonio Express-News, "Accused mosque burner’s own words part of trial," 10 July 2018 The prosecution's mental-health expert witness testified as to Arias' mental state in violation of the rules of testimony. Michael Kiefer, azcentral, "First look: Jodi Arias' defense attorneys file 342-page brief in conviction appeal," 6 July 2018 Jones was shot in the face by Waire after Waire and Kennedy barged into the 19-year-old’s off-campus apartment demanding marijuana and money, witnesses testified, according to WZZM13. Harriet Sokmensuer, PEOPLE.com, "Teen's Murder Is So Devastating that Mom Says 'I Find it Hard to Breathe' — as Killer Is Sentenced," 26 June 2018 But as several witnesses testified this week, NPFL soldiers viewed all Krahns and Mandingos as enemies, not just those associated with Doe’s government or military. Jeremy Roebuck, Philly.com, "'The only good Krahn man is a dead Krahn man': How culpable is Delco resident for ethnic atrocities in Liberia?," 22 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'testify.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of testify

14th century, in the meaning defined at intransitive sense 2a

History and Etymology for testify

Middle English testifien, from Anglo-French testifier, from Latin testificari, from testis witness

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Statistics for testify

Last Updated

15 Apr 2019

Look-up Popularity

Time Traveler for testify

The first known use of testify was in the 14th century

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More Definitions for testify

testify

verb

English Language Learners Definition of testify

: to talk and answer questions about something especially in a court of law while formally promising that what you are saying is true
: to talk about or say (something) in an honest and confident way
: to show that something is true or real : to give proof of something

testify

verb
tes·​ti·​fy | \ ˈte-stə-ˌfī How to pronounce testify (audio) \
testified; testifying

Kids Definition of testify

: to make a formal statement of something sworn to be true Two witnesses testified in court.

testify

verb
tes·​ti·​fy | \ ˈtes-tə-ˌfī How to pronounce testify (audio) \
testified; testifying

Legal Definition of testify

intransitive verb

: to make a solemn declaration under oath or affirmation for the purpose of establishing a fact : give testimony

transitive verb

: to declare in testimony

Other Words from testify

testifier noun

History and Etymology for testify

Latin testificari, from testis witness

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More from Merriam-Webster on testify

Rhyming Dictionary: Words that rhyme with testify

Thesaurus: All synonyms and antonyms for testify

Spanish Central: Translation of testify

Nglish: Translation of testify for Spanish Speakers

Britannica English: Translation of testify for Arabic Speakers

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