testify for (someone or something)

testify for (someone or something)

To present evidence or testimony in favor or defense of someone or something as a witness in a trial. The doctor was asked to testify for the plaintiff in the criminal negligence lawsuit against the construction company. I agreed to testify for Daniel, since I was with him the night of the incident.
See also: testify
Farlex Dictionary of Idioms.

testify for someone

to present evidence in favor of someone; to testify on someone's behalf. I agreed to testify for her at the trial. Max testified for Lefty, but they were both convicted.
See also: testify
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • testify for
  • testify
  • testify against
  • testify against (someone or something)
  • witness for
  • witness for (someone or something)
  • testify to
  • testify to (something)
  • in at the kill
  • witness