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Meaning of INVALIDATE

Pronunciation:  in'vali`deyt

 
WordNet Dictionary
 
 Definition: 
  1. [v]  take away the legal force of or render ineffective; "invalidateas a contract"
  2. [v]  show to be invalid
  3. [v]  of cheques or tickets
  4. [v]  declare invalid; "The contract was annulled"; "avoid a plea"
 

INVALIDATE is a 10 letter word that starts with I.

 

 Synonyms: annul, avoid, cancel, nullify, nullify, quash, vitiate, void, void
 
 Antonyms: formalise, formalize, validate, validate, validate
 
 See Also: alter, break, cancel, change, contradict, mark, negate, score, stet, strike down

 

 

Webster's 1913 Dictionary
 
 Definition: 
\In*val"i*date\, v. t. [imp. & p. p. {Invalidated};
p. pr. & vb. n. {Invalidating}.] [From {Invalid} null.]
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.

 
Thesaurus Terms
 
 Related Terms: 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
 

 

 

 

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