Main Entry: dis·prove

Pronunciation: \(ˌ)dis-ˈprüv\

Function: transitive verb

Etymology: Middle English, from Anglo-French desprover, from des- dis- + prover to prove

Date: 14th century

: to prove to be false or wrong : refute <disprove a theory>

— dis·prov·able \-ˈprü-və-bəl\ adjective