Dictionary Definition
invalidate
Verb
1 declare invalid; "The contract was annulled";
"void a plea" [syn: annul,
quash, void, avoid, nullify] [ant: validate]
2 of cheques or tickets [syn: cancel]
4 take away the legal force of or render
ineffective; "invalidateas a contract" [syn: void, vitiate] [ant: validate]
User Contributed Dictionary
English
Etymology
From the Latin valere meaning "to be strong". Literal derivation is "to make not strong".Verb
- To make invalid.
Esp. applied to contract law.
- The circuit court judge's ruling was invalidated by a superior judge.
Italian
Verb
invalidate- Form of Second-person plural imperative, invalidare#Italian|invalidare
Synonyms, Antonyms and Related Words
abate,
abolish, abrogate, annihilate, annul, belie, blow sky-high, blow up,
bring to naught, bring to nothing, buffer, cancel, cancel out, come to
nothing, counterbalance, countermand, counterorder, deflate, disannul, disconfirm, discredit, disprove, disqualify, do away with,
explode, expose, frustrate, make void, negate, negativate, negative, neutralize, nullify, offset, override, overrule, prove the contrary,
puncture, quash, recall, recant, renege, repeal, rescind, retract, reverse, revoke, set aside, show up,
stultify, suspend, thwart, undercut, undo, unfit, vacate, vitiate, void, waive, withdraw, write off