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invalidate

/ɪnˈvæl.əˌdeɪt/ verb C1
  1. To make invalid (especially in to contract law) · The circuit court judge's ruling was invalidated by a superior judge.
  2. To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
  3. To render invalid; discredit. · Telling an angry person to "calm down" can invalidate their feelings.

He/she/it invalidates · Past invalidated · Past participle invalidated · -ing form invalidating

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Verb forms

Base form
invalidate
He/she/it
invalidates
Past
invalidated
Past participle
invalidated
-ing form
invalidating

From the library

Instead of owning the misstep, the speaker invalidates the victim, implying that the true issue lies in their unwarranted interpretation of the event.
The Art of the Apology, p. 1 · C2

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.