/ Dictionary / Index D disprove: Meaning and Definition of Find definitions for: dis•prove Pronunciation: (dis-prv'), [key] — -proved, -prov•ing. to prove (an assertion, claim, etc.) to be false or wrong; refute; invalidate: I disproved his claim. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: disprove (Thesaurus) disproportionation disputable Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language