Synonyms of testify

testify

verb

ˈte-stə-ˌfī 

as in to swear

to make a solemn declaration under oath for the purpose of establishing a fact

several witnesses testified that they had seen the accused in the vicinity of the crime scene

Synonyms & Similar Words

• swear
• witness
• attest
• verify
• bear witness
• depose
• promise
• vouch
• vow

Example Sentences

Recent Examples of testify

Barrett testify before the House Appropriations Committee on Capitol Hill on July 14, 2026 in Washington, DC. — Dan Mangan, CNBC, 14 July 2026

Veleria Levy, representative-elect for northeast Charlotte’s state House District 99, testified against Duke’s original proposal this spring. — Nora O'Neill, Charlotte Observer, 13 July 2026

Judge William Sullivan sided with prosecutors, who said allowing women to testify who have no connection to this tragic case and are not experts, would be prejudicial, and require prosecutors to call even more witnesses. — Kristina Rex, CBS News, 13 July 2026

Nicole Lynn of Klutch Sports Group, who represents Arnold, testified at a court hearing Friday that the cornerback has received interest from four teams, including the Jets, after the Lions released him on June 29. — Antwan Staley, New York Daily News, 13 July 2026

Phrases Containing testify

• testify (to)