B1to show that something is true: [+ that]They suspected that she'd killed him but they could never actually prove that it was her.[+ adj]They proved him innocent/guilty.Under the present system, you're innocent until proven guilty.[+ question word]"I lost £30 in the bus." "That just goes to prove what an idiot you are!"Computers have been used to prove mathematical theorems.That theory was proved false.He's so aggressive - it's as if he's always trying to prove something.Proving and disprovingproven
/ˈpruː.vən//ˈprəʊ-/adjective›You've got a proven work record, which gives you a big advantage.Proving and disproving