What does testify mean in English?

You can learn testify Pronunciation, Grammar & Synonyms in this most authoritative English Dictionary.

testify Meaning, Definition, Pronunciation, Grammar & Synonyms❤️

0 to speak seriously about something, especially in a law court, or to give or provide proof:
- [ + that ] He testified that he had seen the man leaving the building around the time of the murder.
1 to speak seriously about something, esp. to tell what you know about a case in a court of law after you have officially promised to tell the truth:
- [ I ] Elizabeth testified before a grand jury.
- [ + that clause ] One witness testified that she saw the thief running away.
2 to make a formal statement about something, especially in a court of law:
- testify that He testified that the store owner had lied when he applied for the state license.
- The senator testified to the House Committee on Financial Services.
3 to say that something is true:
- Managing people is not easy, as many new managers can testify.

I can testify to the foregoing since I was actually present when it happened.
They were subpoenaed to testify before the judge.
Ten witnesses are expected to testify at the trial today.
In the context of this song, the rap text indeed takes on dimensions of both testifying and preaching.
Perhaps what these findings do best is testify to the methodological difficulties associated with input manipulation studies.
Husbands and wives were forbidden from testifying for or against each other.
No doubt, this unusual grouping of high officials testified to the emergency status of the situation.
Subsequent events testified that the journal's anticipatory readjustment was indeed founded on a good guess.