|Origin:||testificari, from testis 'witness'|
tes‧ti‧fy past tense and past participle testified, present participle testifying, third person singular testifies
1 [intransitive and transitive]SCL
to make a formal statement of what is true, especially in a court of law:
Mr Molto has agreed to testify at the trial.
Later, the witness who had testified against Muawad withdrew his allegation.
2 [intransitive and transitive] written
to show clearly that something is the case
The empty shops in the high street testify to the depth of the recession.
The full ashtrays testify that smoking hasn't been stubbed out.
Can you testify that you saw the defendant at the scene of the crime?
3 [intransitive] American EnglishRRC
to stand up and tell people about how God has helped you in your life