170 entries under annul topic. ×

2
counterorder(verb, remove, dismiss, withdraw, deny)
2
counterpoise(verb, stop, fix, withdraw, abandon)
2
declare invalid(verb, expression, idiom, stop, withdraw)
2
dismantle(verb, change, end, ruin, dismiss)
2
do in(verb, expression, phrasal verb, destroy, crush)
2
scrub(verb, stop, end, withdraw, abandon)
2
throw out(verb, expression, cancel, vacate)
2
trash(verb, end, ruin, destroy, crush)
2
weaken(verb, cancel, undo, impair, discredit)
1
emit(cancel, vacate)
1
evacuate(verb, cancel, vacate)
1
lift(verb, change, dismiss, withdraw, alter)
1
redeem(verb, stop, settle, withdraw, abandon)
1
scratch(verb, stop, end, withdraw, abandon)
1
squash(verb, cross, cancel, frustrate, reverse)
1
take out(verb, expression, phrasal verb, remove, reject)
1
X-out(remove, withdraw, lift, undo, reverse)
1
ax(verb, cancel, reverse, invalidate)
1
backpedal(verb, change, withdraw, alter, cancel)
1
backtrack(change, withdraw, alter, cancel, renounce)
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APASmart Define. (2016). nullify thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nullify/thesaurus/synonyms
ChicagoSmart Define. 2016. "nullify thesaurus" https://smartdefine.org/nullify/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, nullify thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nullify/thesaurus/synonyms>.
MLASmart Define. "nullify thesaurus" 2 April 2016. Web. 22 September 2026. <https://smartdefine.org/nullify/thesaurus/synonyms>