English definition of “prove”
/pruːv/ verb [T] (past tense proved, past participle mainly US proven)
› to show that something is true: They knew who had stolen the money, but they couldn't prove it. [+ (that)] Can you prove that you weren't there? He's desperately trying to prove his innocence. → Opposite disprove
prove sth/to be sth › to show a particular quality after a period of time: The new treatment has proved to be very effective.
prove yourself › to show that you are good at something: I wish he'd stop trying to prove himself all the time.