83 entries under overturn topic. ×

2
invert(verb, upset, reverse, void)
2
nix(verb, stop, end, withdraw, halt)
2
overbalance(verb, upset, reverse, void)
2
render null and void(verb, expression, idiom, stop, end)
2
renege(verb, change, withdraw, alter, restrict)
1
backpedal(verb, change, withdraw, alter, cancel)
1
capsize(verb, upset, reverse, void)
1
change(verb, smooth, correct, right, alter)
1
clamp down on(verb, expression, idiom, cancel, reverse)
1
cork up(verb, expression, cancel, reverse, void)
1
crack down on(verb, expression, idiom, cancel, reverse)
1
declare null and void(verb, expression, idiom, change, reject)
1
disqualify(verb, dismiss, withdraw, cancel, undo)
1
down(upset, reverse, void, topple)
1
flip over(verb, expression, upset, reverse, void)
1
hush up(verb, expression, cancel, reverse, void)
1
impair(verb, end, ruin, crush, damage)
1
keel over(verb, expression, upset, reverse, void)
1
knock down(expression, upset, reverse, void)
1
knock over(verb, expression, phrasal verb, upset, reverse)
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APASmart Define. (2015). annul thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/annul/thesaurus/synonyms
ChicagoSmart Define. 2015. "annul thesaurus" https://smartdefine.org/annul/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, annul thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/annul/thesaurus/synonyms>.
MLASmart Define. "annul thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/annul/thesaurus/synonyms>