verb (used with object), dis·proved, dis·prov·ing.
- to prove (an assertion, claim, etc.) to be false or wrong; refute; invalidate: I disproved his claim.
- (tr) to show (an assertion, claim, etc) to be incorrect
late 14c., from Old French desprover “refute, contradict,” from des- (see dis-) + prover (see prove). Related: Disproved; disproving.