[ dis-proov ]
/ dɪsˈpruv /

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.

Origin of disprove

1350–1400; Middle English < Anglo-French, Old French desprover, equivalent to des- dis-1 + prover to prove

Related forms

dis·prov·a·ble, adjectivedis·prov·er, nounun·dis·prov·a·ble, adjectiveun·dis·proved, adjective

Can be confused

deny disapprove disprove rebut refute
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for disprove

British Dictionary definitions for disprove


/ (dɪsˈpruːv) /


(tr) to show (an assertion, claim, etc) to be incorrect

Derived Forms

disprovable, adjectivedisproval, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012