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- DictionaryIn·val·i·date/inˈvaləˌdāt/
verb
- 1. make (an argument, statement, or theory) unsound or erroneous.
- 2. deprive (an official document or procedure) of legal efficacy because of contravention of a regulation or law: "a technical flaw in her papers invalidated her nomination"
To invalidate means to cancel something or make it void, as if it never happened. In invalidate you see the word valid which means true or correct. When you invalidate something you are making it less true, less official, or less correct. If you buy something that doesn't work properly and then try to fix it yourself, you invalidate the warranty.
invalidate. verb [ T ] us / ɪnˈvæl.ə.deɪt / uk / ɪnˈvæl.ɪ.deɪt / Add to word list. to officially stop a document, ticket, law, etc. being legally or officially acceptable. to prove that an opinion, argument, etc. is wrong. SMART Vocabulary: related words and phrases. Proving and disproving. acid test. actions speak louder than words idiom.
6 days ago · 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 ]
1. to render weak or ineffective, as an argument. 2. (Law) to take away the legal force or effectiveness of; annul, as a contract. inˌvaliˈdation n. inˈvaliˌdator n. Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014. in•val•i•date.
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. The Oxford Learner’s Thesaurus explains the difference between groups of similar words.
Apr 11, 2024 · To make or declare (an argument, statement, or theory) unsound or erroneous; disprove. To render invalid; discredit. Telling an angry person to "calm down" can invalidate their feelings. Synonyms [ edit] disprove. vitiate. Antonyms [ edit] validate. Translations [ edit] ± to make invalid. Italian [ edit]
Definition of invalidate. as in to abolish. to put an end to by formal action those nations eventually invalidated their trade agreement. Synonyms & Similar Words. Relevance. abolish. repeal. cancel. overturn. nullify. avoid. void. negate. vacate. annul. rescind. abrogate. revoke. dismiss. quash. dissolve. withdraw. set aside. null. suspend.
