American English

Definition of testify verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they testify
    he / she / it testifies
    past simple testified
    -ing form testifying
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  1. 1[intransitive, transitive] to make a statement that something happened or that something is true, especially as a witness in court testify (against/for somebody) She refused to testify against her husband. There are several witnesses who will testify for the defense. testify about something He was summoned to testify before a grand jury about his role in the affair. testify to something/to doing something Evans testified to receiving $200,000 in bribes. testify (that)… He testified (that) he was at the theater at the time of the murder. + speech “I was approached by a man I did not recognize,” she testified.
  2. 2[transitive] testify (that)… to say that you believe something is true because you have evidence of it Too many young people are unable to write or spell well, as employers will testify.
  3. 3[intransitive] to express your belief in God publicly
  4. Phrasal Verbstestify to something
See the Oxford Advanced Learner's Dictionary entry: testify

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