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[dis-proov] /dɪsˈpruv/
verb (used with object), disproved, disproving.
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
disprovable, adjective
disprover, noun
undisprovable, adjective
undisproved, adjective
Can be confused
deny, disapprove, disprove, rebut, refute (see synonym study at deny)
disapprove, disprove, rebut, refute.
discredit, contradict, negate, confute. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for disprove
  • He was now in a position to prove or disprove the charge.
  • There is nothing you can prove or disprove because you have the information.
  • Popular acceptance, or the lack thereof, does not prove or disprove an artist's worth.
  • While it would prove academic misconduct it would not disprove climate change.
  • When legal teams need to prove or disprove the authorship of key texts, they call in the forensic linguists.
  • Evidence can disprove a theory, but it cannot prove it.
  • To date, research has not been able to prove or disprove claims that organic food is safer than food grown using pesticides.
  • There is no way to prove or disprove this connection between vaccines and autism.
  • But science requires that you try to imagine the possibilities then explore those do prove or disprove them.
  • Give them the benefit of the doubt and let them prove or disprove their findings.
British Dictionary definitions for disprove


(transitive) to show (an assertion, claim, etc) to be incorrect
Derived Forms
disprovable, adjective
disproval, 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
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Word Origin and History for disprove

late 14c., from Old French desprover "refute, contradict," from des- (see dis-) + prover (see prove). Related: Disproved; disproving.

Online Etymology Dictionary, © 2010 Douglas Harper
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