testify
verb
tes·ti·fy
ˈte-stə-ˌfī 
testified; testifying
1
: to make a solemn declaration under oath for the purpose of establishing a fact (as in a court)
2
a
: 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
2
: to declare under oath before a tribunal or officially constituted public body
3
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.
Recent Examples on the Web
Ultimately, Yi did not call Smalls to testify during the rebuttal phase, the commission report said.
—
Nathan Solis, Los Angeles Times, 3 June 2024
Under oath Daniels testified that in July 2006, shortly after Melania gave birth to Barron, Donald invited her up to his penthouse hotel room in Nevada.
—Linda Marx, Peoplemag, 31 May 2024
In describing the call from the senator, Mr. McKinney testified that Mr. Menendez had begun by mentioning an article, published in Arabic, that had laid out the history of Egypt’s newly streamlined certification process.
—Benjamin Weiser, New York Times, 31 May 2024
The medical staff, including Hui and the supervisor, testified that another ambulance should have been sent to the location because Steele was not qualified to provide Owen that level of care, according to court documents.
—Olivia Lloyd, Miami Herald, 30 May 2024
See all Example Sentences for testify 
Nathan Solis, Los Angeles Times, 3 June 2024
Under oath Daniels testified that in July 2006, shortly after Melania gave birth to Barron, Donald invited her up to his penthouse hotel room in Nevada.
—Linda Marx, Peoplemag, 31 May 2024
In describing the call from the senator, Mr. McKinney testified that Mr. Menendez had begun by mentioning an article, published in Arabic, that had laid out the history of Egypt’s newly streamlined certification process.
—Benjamin Weiser, New York Times, 31 May 2024
The medical staff, including Hui and the supervisor, testified that another ambulance should have been sent to the location because Steele was not qualified to provide Owen that level of care, according to court documents.
—Olivia Lloyd, Miami Herald, 30 May 2024
See all Example Sentences for testify
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Cite this Entry
“Testify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/testify. Accessed 6 Jun. 2024.
Copy CitationKids Definition
testify
verb
tes·ti·fy
ˈtes-tə-ˌfī
testified; testifying
1
a
: to make a statement based on personal knowledge or belief
could testify to the student's devotion to her studies
b
: to make a formal statement of what one swears is true
testified in court
2
: to give outward proof : serve as a sign of
yawns testifying to fatigue
Legal Definition
testify
verb
tes·ti·fy
ˈtes-tə-ˌfī
testified; testifying
: to make a solemn declaration under oath or affirmation for the purpose of establishing a fact : give testimony
: to declare in testimony
testifier
noun
Etymology
Latin testificari, from testis witness
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