invalidate

Verb

Meaning

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.

Source: Webster's dictionary

Synonyms

vitiate avoid cancel void disprove annul quash negate nullify evert negative break reverse counter ban
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Antonyms

validate king support back show allow
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Hypernyms

mark change score alter modify cancel

Hyponyms

break set aside stet

Derivatives

invalidated invalidating

Examples

While we are under the tyranny of Priests, it will ever be their interest, to invalidate the law of nature and reason, in order to establish systems incompatible therewith. Ethan Allen

Just because a company falls doesn't invalidate what we can learn by studying that company when it was at its historical best. James C. Collins

Straight couples don't have to be monogamous to be married or married to be monogamous. Monogamy no more defines marriage than the presence of children does. Monogamy isn't compulsory and its absence doesn't invalidate a marriage. Dan Savage

Those who invalidate reason ought seriously to consider whether they argue against reason with or without reason. Ethan Allen

Our knowledge of the historical worth of certain religious doctrines increases our respect for them, but does not invalidate our proposal that they should cease to be put forward as the reasons for the precepts of civilization. Sigmund Freud

Abuse does not invalidate usefulness. Latin Proverb

Close letter words and terms

invalid reasoning invalid stout invalid technique invalidated invalidating invalidation