• WordNet 3.6
    • v testify give testimony in a court of law
    • v testify provide evidence for "The blood test showed that he was the father","Her behavior testified to her incompetence"
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Webster's Revised Unabridged Dictionary
  • Interesting fact: In 1968, Abbie Hoffman played with a yo-yo while testifying before a congressional committee. He was found in contempt
    • adv Testify In a testy manner; fretfully; peevishly; with petulance.
    • Testify (Law) To affirm or declare under oath or affirmation before a tribunal, in order to prove some fact.
    • Testify To bear witness to; to support the truth of by testimony; to affirm or declare solemny. "We speak that we do know, and testify that we have seen; and ye receive not our witness."
    • Testify To declare a charge; to protest; to give information; to bear witness; -- with against. "O Israel, . . . I will testify against thee.""I testified against them in the day wherein they sold victuals."
    • Testify (Law) To make a solemn declaration under oath or affirmation, for the purpose of establishing, or making proof of, some fact to a court; to give testimony in a cause depending before a tribunal. "One witness shall not testify against any person to cause him to die."
    • Testify To make a solemn declaration, verbal or written, to establish some fact; to give testimony for the purpose of communicating to others a knowledge of something not known to them. "Jesus . . . needed not that any should testify of man, for he knew what was in man."
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Century Dictionary and Cyclopedia
  • Interesting fact: In ancient Rome, when a man testified in court he would swear on his testicles.
    • testify To bear witness; make declaration, especially for the purpose of communicating to others a knowledge of some matter not known to them, or for the purpose of establishing some fact.
    • testify In law, to give testimony, under oath or solemn affirmation, in a cause depending before a court.
    • testify To serve as evidence; be testimony or proof.
    • testify To bear witness to; affirm or declare as fact or truth.
    • testify In law, to state or declare under oath or affirmation, as a witness, before a tribunal.
    • testify To give evidence of; evince; demonstrate; show.
    • testify To make known; publish or declare freely.
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Chambers's Twentieth Century Dictionary
  • Interesting fact: To "testify" was based on men in the Roman court swearing to a statement made by swearing on their testicles.
    • v.t Testify tes′ti-fī to bear witness: to make a solemn declaration: to protest or declare a charge (with against)
    • v.t Testify to bear witness to: to affirm or declare solemnly or on oath:—pa.t. and pa.p. tes′tifīed
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  • Michel Eyquem De Montaigne
    “Lying is a terrible vice, it testifies that one despises God, but fears men.”
  • Bible
    “We speak that what we know and testify to that which we have seen.”


Webster's Revised Unabridged Dictionary
OF. testifier, L. testificari,; testis, a witness + -ficare,in comp.) to make. See -fy, and cf. Attest Contest Detest Protest Testament


In literature:

The body, the expert testified, showed evident marks of violence.
"Winsome Winnie and other New Nonsense Novels" by Stephen Leacock
The Judge has the poignard; and what's more, there are four witnesses ready to testify.
"An Outcast" by F. Colburn Adams
Mr. Jones testified to this effect, and Mr. Holbrook also.
"Five Hundred Dollars" by Horatio Alger
Charles C. Dyer, of the same place, also testified as to Kelly's identity.
"The Story of a Dark Plot" by A.L.O. C. and W.W. Smith
Seventeen folio volumes not only testify his industry but even his genius.
"Curiosities of Literature, Vol. 1 (of 3)" by Isaac D'Israeli
All these things cost money, as any wholesale merchant engaged in a business where there is sharp competition can testify.
"Monopolies and the People" by Charles Whiting Baker
For that's a free confession he made, and you must testify, and I will.
"Mitch Miller" by Edgar Lee Masters
I don't want to testify.
"Theft" by Jack London
He testified that he did so give it, repeated it word for word to the court.
"The Long Roll" by Mary Johnston
I testifie agayn to euery man which is circumcised / that he is bownd to keape the whole lawe.
"A Treatise of the Cohabitation Of the Faithful with the Unfaithful" by Peter Martyr

In poetry:

Around her shall the Chains be spread
Of Captives she has freed
And ev'ry Mouth that she has fed
Shall testify the deed
"A Contemplation" by Anne Kingsmill Finch
Before me, behold, how she stands!
With lips high thoughts have weighted,
And testifying hands,
And eyes with glory sated.
"One Day And Another: A Lyrical Eclogue – Part V" by Madison Julius Cawein
"Our poor Ann Putnam testifies
She saw her weave a spell,
Bare-armed, loose-haired, at full of moon,
Around a dried-up well.
"The Witch of Wenham" by John Greenleaf Whittier
And believe me, believe you me,
the cautious suspicion is justified.
I'm a poet who's fit for the stake's fire
because to the truth he's testified.
"For A Copy Of Steep Road" by Miklos Radnoti
But yet, now living, fain would I
That some one then should testify,
Saying — 'He held his pen in trust To Art, not serving shame or lust.' Will none? — Then let my memory die
In after days!
"Rondeau" by Henry Austin Dobson
"Behold, I keep the oath I swore to gather
My captives--kings shall bring their gifts to thee;
Created for a witness to the nations,
My holy ones shall testify to Me--
Yea, Jesse's son Mine eyes already see."
"Duologue" by Shlomo ibn Gabirol

In news:

David Petraeus could testify on Capitol Hill this week, senator says.
Guard Mark Bentley is testifying at Yvonne Hiller's double-murder trial about the night Hiller was suspended from Kraft Foods in September 2010.
Medical experts testify Dover man's blood alcohol content was four times legal limit during fatal crash.
Ron Paul showed how he is open to debate by having both Professor Joseph Salerno and Professor Larry White testify before his sub-committee on the subject of fractional reserve banking.
View full size AP Photo/Jay LaPrete Ducia Hamm of the Ashland Care Center testifies on the "Heartbeat Bill" while ultrasound pictures of Pataskala resident Erin Glockner's unborn baby are projected on the screen.
Former Galleon Trader Testifies About Tip.
Lucy Grove testified Wednesday in Adams County at the death-penalty hearing for her son's killer.
Final witness testifies in Richmond rape hearing.
General Services Administration (GSA) officials testified on the agency's plans to save money and prevent abuse of funds.
Judge orders geologist to testify.
A federal judge ordered a state geologist to testify next week about who pressured him to ease the way for an expansion of a Marshall County landfill that is now the subject of a lawsuit.
Yates not ' grossly psychotic' before drownings, Dietz testifies.
Secretary Abraham testified last week that the DOE is "just beginning to formulate its preliminary thoughts about a transportation plan".
The mother of the woman who was killed at the Lululemon store in Bethesda testified during the murder trial Tuesday, the same day that prosecutors played a video of Brittany Norwood's final police interrogation for the jury.
Photos of some of the accusers are found at Sandusky's home, an agent testifies.

In science:

Further, similar to Gσ;∞j (k), Σσ;∞j (k) can be shown to be real valued for all j ;100) the expressions in Eqs. (B.72) and (B.73) are seen to testify to this fact.
On the Luttinger theorem concerning number of particles in the ground states of systems of interacting fermions
But, our experience testifies that the size reduction for the photoacoustic cell can result in a dramatic increase in the background signal.
Small-Size Resonant Photoacoustic Cell of Inclined Geometry for Gas Detection
The observed uniform contrast of the MFM picture can testify for homogeneous distribution of the doping C o impurity over the surface of the Z n1−xC oxO alloys at least with the precision of our MFM experiments ( 20 nm).
Ferromagnetism in Co-doped ZnO films grown by molecular beam epitaxy: magnetic, electrical and microstructural studies
For discrete systems we can have chaos already in the one-dimensional case as the logistic map testifies.
Review of Nonlinear Methods and Modelling
Observations of X-ray and γ -ray emission [3, 4] from SNR shocks reveal the presence of energetic particles, thus testifying to efficient acceleration processes.
Hadronic Gamma Rays from Supernova Remnants