Synonyms|900Antonyms|278|Broader|16Narrower|16Related|432

92 entries under nullify topic. ×

3
disallow(verb, upset, control, direct, disregard)
3
frustrate(verb, stop, withdraw, abandon, correct)
3
ruin(verb, stop, close, end, separate)
3
spoil(verb, stop, hurt, ruin, destroy)
2
bring to naught(verb, expression, idiom, upset, break)
2
have(destroy, spoil, cancel, negate)
2
kill(verb, stop, end, remove, reject)
2
make void(verb, expression, upset, control, direct)
2
mar(verb, stop, hurt, ruin, destroy)
2
render null and void(expression, idiom, stop, end, reject)
2
squelch(verb, stop, end, oppose, suppress)
2
take out(verb, expression, stop, hurt, remove)
2
upset(verb, break, control, change, direct)
2
wipe out(verb, expression, stop, end, remove)
2
wreck(verb, stop, close, end, separate)
1
black out(verb, expression, reject, cancel, reverse)
1
blackball(verb, deny, undo, reverse, contradict)
1
clamp down on(verb, expression, idiom, cancel, reverse)
1
cork up(verb, expression, cancel, reverse, void)
1
countercheck(verb, stop, withdraw, abandon, correct)
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APASmart Define. (2015). invalidate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/invalidate/thesaurus/synonyms
ChicagoSmart Define. 2015. "invalidate thesaurus" https://smartdefine.org/invalidate/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, invalidate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/invalidate/thesaurus/synonyms>.
MLASmart Define. "invalidate thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/invalidate/thesaurus/synonyms>