invalidate

verb

To make invalid. Especially applied to contract law.

To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.

To render invalid; discredit.

Roots

inin- · Latin · not valeo-valid · Latin · be strong, be worth

Synonyms for invalidate

nullifyv annulv quashv vitiatev cancelv disannul revokev negatev rescindv abrogatev voidn countermandn overrulev repealn abolishv disqualifyv

Synonyms & related words for invalidate

Find synonyms, related words, and the definition of invalidate — including nullify, annul, quash, vitiate, cancel, disannul. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to invalidate

Explore words related to invalidate — words associated with it, words that go with it, and its nearest matches in meaning. Related words include invalidator, invalidation, disaffirm, revoker, overturn, invalid, rescissory, vitiator. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for invalidate

Common synonyms for invalidate include nullify, annul, quash, vitiate, cancel, disannul, revoke, negate — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does invalidate come from?

The word invalidate breaks down into 2 roots of Latin origin: in-, from Latin in (“not”); and -valid, from Latin valeo (“be strong, be worth”). Explore each root to see other English words built from the same source.