testify

word

/ˈtɛstəˌfaɪ/
TES-tuh-fy
/tˈɛstɪfˌaɪ/
TES-ti-fy

Definition

To make a formal statement about what you know, especially in court. It can also mean to show or prove that something exists or is true.

Usage & Nuances

Most commonly used in legal contexts: 'testify in court' or 'testify before Congress'. In formal writing, it can also mean 'serve as evidence of', as in 'The results testify to her hard work'. Do not confuse it with 'say', which is much broader and less formal.

Example Sentences

She will testify in court tomorrow.

basic

He testified that he saw the accident.

basic

These old photos testify to their long friendship.

basic

He was nervous, but he still testified in front of everyone.

natural

If they ask me what happened, I'll testify.

natural

Her success testifies to how hard she has worked.

natural