INVALIDATE definition and meaning | Collins English Dictionary To invalidate something such as an argument, conclusion, or result means to prove that it is wrong or cause it to be wrong Any form of physical activity will invalidate the results [VERB noun] Some of the other criticisms were invalidated years ago [VERB noun]
invalidate verb - Definition, pictures, pronunciation and usage notes . . . Definition of invalidate verb from the Oxford Advanced Learner's Dictionary invalidate something to prove that an idea, a story, an argument, etc is wrong This new piece of evidence invalidates his version of events Flawed research methods may invalidate the study’s conclusions
invalidate - Wiktionary, the free dictionary Verb invalidate (third-person singular simple present invalidates, present participle invalidating, simple past and past participle invalidated) To make invalid Especially applied to contract law Synonym: extinguish The circuit court judge's ruling was invalidated by a superior judge