Definition of testify in English:

testify

Syllabification: tes·ti·fy
Pronunciation: /ˈtestəˌfī
 
/

verb (testifies, testifying, testified)

[no object]
1Give evidence as a witness in a law court: he testified against his own commander [with clause]: he testified that he had supplied Barry with crack
More example sentences
  • Indeed, the only witnesses who testified at the trial were the two plaintiffs themselves.
  • All three witnesses have testified that they have not discussed their evidence with each other.
  • The lawyer who is a necessary witness should testify and entrust the conduct of the case to another lawyer.
Synonyms
give evidence, bear witness, be a witness, give one's testimony, attest; Lawmake a depositionattest, swear, state on oath, state, declare, assert, affirm; allege, submit, claim; Lawdepose
1.1Serve as evidence or proof of something’s existing or being the case: the bleak lines testify to inner torment
More example sentences
  • At every ground there were sell-outs and lock-outs to testify to the greatness of Gallaher's team.
  • The Bulgarian Orthodox Church could also testify to a person's Bulgarian descent.
  • They all testify to your outstanding clinical skills and unparalleled commitment to the welfare of children.
Synonyms
be evidence/proof of, attest to, confirm, prove, corroborate, substantiate, bear out; show, demonstrate, bear witness to, speak to, indicate, reveal, bespeak

Origin

late Middle English: from Latin testificari, from testis 'a witness'.

Derivatives

testifier

noun
More example sentences
  • Arthur Miller is one of the supreme testifiers to the terrible fall where lack of values may lead: the burning of the innocent; the eradication of wisdom and truth.
  • The testifiers are identified by year of birth and place of origin.
  • The moral economy that operated during the hearings is indicated by the fact that commissioners were not uncomfortable if testifiers wept while giving evidence but that they did not like them to become angry.

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