verb

testify

to testify, to give evidence, to bear witness

He will testify in court tomorrow.

He will testify in court tomorrow.

Her success testifies to her hard work.

Her success testifies to her hard work.

((sb.)) testifies ((against/for sb./sth.)) to give evidence against or in support of someone or something She testified against her former boss.

((sth.)) testifies ((to sth.)) to serve as evidence or proof of something The results testify to the accuracy of the theory.

Synonyms: attest, bear witness, affirm, declare

From Latin 'testificari', from 'testis' (witness) + 'facere' (to make). Literally 'to make a witness' or 'to bear witness'.

Think of a 'testimony' in court. To 'testify' is the action of giving that testimony.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.