Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

Thesaurus

invalidate

verb

Synonyms and Antonyms of invalidate

to put an end to by formal action

  • those nations eventually invalidated their trade agreement
Synonyms of invalidate

abate, abolish, abrogate, annul, avoid, cancel, disannul, dissolve, negate, null, nullify, quash, repeal, rescind, roll back, strike down, vacate, void
Words Related to invalidate

countermand, override, overrule, overturn, veto

abort, call, call off, drop, recall, retract, reverse, revoke, suspend, withdraw

ban, enjoin, forbid, outlaw, prohibit

disallow, dismiss, reject

annihilate, break down, eliminate, eradicate, erase, liquidate, remove, throw out, write off
Phrases Synonymous with invalidate

do away with, set aside
Near Antonyms of invalidate

enact, lay down, legislate

establish, found, institute

formalize, legalize, legitimate, legitimize, validate

pass, ratify

allow, approve, authorize, clear, endorse (also indorse), permit, sanction, warrant

command, decree, mandate, order, prescribe

Synonym Discussion of invalidate

nullify, negate, annul, abrogate, invalidate mean to deprive of effective or continued existence. nullify implies counteracting completely the force, effectiveness, or value of something.
    • a penalty nullified the touchdown
negate implies the destruction or canceling out of each of two things by the other.
    • the arguments negate each other
annul suggests making ineffective or nonexistent often by legal or official action.
    • the treaty annuls all previous agreements
abrogate is like annul but more definitely implies a legal or official act.
    • a law to abrogate trading privileges
invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness.
    • the court invalidated the statute

Learn More about invalidate

  1. See words that rhyme with invalidate Dictionary: Definition of invalidate Spanish Central: Translation of invalidate Nglish: Translation of invalidate for Spanish speakers Britannica English: Translation of invalidate for Arabic speakers

Seen and Heard

What made you want to look up invalidate? Please tell us where you read or heard it (including the quote, if possible).

show comments hide comments

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

milieu

the setting in which something occurs

Get Word of the Day daily email!

TRENDING NOW

  1. Spartan Red Cross Warns of Shelter Conditions

  2. hirsute RIP Burt Reynolds

  3. op-ed NYT Publishes Anonymous Piece

  4. collegiality Kavanaugh Mentions Word in Hearing

  5. mistrial Manafort Guilty on 8 Counts

SEE ALL

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play

Ask the Editors

Word Games