- When you go to court and tell the jury that you saw the defendant robbing the store, this is an example of a time when you testify.
- When you go get your driver's license and you swear under penalty of perjury that you are a U.S. citizen, this is an example of a time when you testify to the fact that you are a U.S. citizen.
intransitive verb-·fied·, -·fy·ing
- to make a serious declaration to substantiate a fact; bear witness or give evidence, esp. under oath in court
- to be evidence or an indication: a look testifying to his impatience
Origin of testifyMiddle English testifien from Classical Latin testificari from testis, a witness (prob. from an unverified form tri-sto-, standing as a third from tri-, tri- + base of stare, stand) + facere, to make, do
- to bear witness to; affirm; declare, esp. under oath in court
- to be evidence of; indicate
- Archaic to profess or proclaim publicly
verbtest·i·fied, test·i·fy·ing, test·i·fies
- To give testimony in a legal case or before a deliberative body: witnesses testifying before a grand jury.
- To express or declare a strong belief, especially to make a declaration of faith.
- To make a statement based on personal knowledge in support of an asserted fact; bear witness: the exhilaration of weightlessness, to which many astronauts have testified.
- To serve as evidence: wreckage that testifies to the ferocity of the storm.
- To declare publicly; make known: testifying their faith.
- To state or affirm as testimony in a legal case or before a deliberative body: testified in court that he saw the defendant.
- To be evidence of: His frown testified his displeasure.
Origin of testifyMiddle English testifien from Latin testificārī testis witness ; see trei- in Indo-European roots. -ficārī -fy
(third-person singular simple present testifies, present participle testifying, simple past and past participle testified) (intransitive or transitive)
testify - Legal Definition
- To tell a court what pertinent information to a case one has, while under oath, and while the defendant is present.
- To bear witness.