The meaning of PROVE is to establish the existence, truth, or validity of (as by evidence or logic). How to use prove in a sentence. proved or proven?: Usage Guide.

PROVE definition: 1. to show a particular result after a period of time: 2. to show that you are good at something…. Learn more.

prove – test 1. 'prove' If you prove that something is true or correct, you provide evidence showing that it is definitely true or correct. He was able to prove that he was an American. Tests proved that the …

Apr 18, 2026 · prove (third-person singular simple present proves, present participle proving, simple past proved, past participle proved or proven) (transitive) To demonstrate that something is true or viable; …

1 day ago · Use 100 practical alternatives to prove, for emails, reports, essays, and conversations. Choose the right verb to support claims with clarity.

prove: To establish the truth or validity of (something) by the presentation of argument or evidence.

PROVE definition: to establish the truth or genuineness of, as by evidence or argument. See examples of prove used in a sentence.

Verb: prove (proved,proven) proov Make clear the validity of something, as by an example, explanation or experiment "The experiment proved the instability of the compound "; - demonstrate, establish, …

If something proves to be true or to have a particular quality, it becomes clear after a period of time that it is true or has that quality. None of the rumours has ever been proved to be true. [VERB to-infinitive] …

The new drug may prove (to be) beneficial/effective. The vaccine has proven (to be) effective after years of tests. It may prove difficult/impossible to do this.