invalidate
UK /ɪnˈvæl.ɪ.deɪt/ · US /ɪnˈvæl.əˌdeɪt/ verb
Forms invalidates invalidating invalidated
- verb To make invalid (especially in to contract law) “The circuit court judge's ruling was invalidated by a superior judge.”
- verb To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
- verb To render invalid; discredit. “Telling an angry person to "calm down" can invalidate their feelings.”
Synonyms
extinguish nullify disprove vitiate negate annul quash void avoid cancel
Antonyms
Etymology
First attested in 1649; borrowed from Middle French invalider, from invalide + -er. By surface analysis, in- + validate or invalid + -ate.
Webster’s 1913
- verb To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.
Etymology [From Invalid null.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “invalidate”, CC BY-SA 4.0. Details