90 entries under annul topic. ×

4
suppress(verb, stop, hold, control, reduce)
3
cancel out(verb, expression, phrasal verb, fix, improve)
3
abrogate(verb, stop, fix, withdraw, abandon)
3
kill(verb, stop, turn, halt, restrict)
2
ignore(verb, stop, disregard, discharge, withdraw)
2
limit(verb, stop, hold, control, reduce)
2
overthrow(verb, stop, withdraw, abandon, ignore)
2
refute(verb, stop, break, disregard, oppose)
2
render null and void(verb, expression, idiom, stop, discharge)
2
set aside(expression, stop, disregard, withdraw, abandon)
1
X-out(cancel, undo, impair, discredit)
1
abate(verb, restrict, cancel, undo, reverse)
1
abolish(verb, restrict, cancel, undo, reverse)
1
abort(verb, stop, discharge, withdraw, abandon)
1
annihilate(verb, restrict, cancel, undo, reverse)
1
ax(verb, restrict, cancel, undo, reverse)
1
balance out(verb, expression, stop, discharge, settle)
1
blow sky-high(expression, cancel, undo, impair, discredit)
1
blue pencil(verb, expression, restrict, cancel, undo)
1
bring to naught(verb, expression, idiom, restrict, cancel)
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APASmart Define. (2015). counteract thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/counteract/thesaurus/synonyms
ChicagoSmart Define. 2015. "counteract thesaurus" https://smartdefine.org/counteract/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, counteract thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/counteract/thesaurus/synonyms>.
MLASmart Define. "counteract thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/counteract/thesaurus/synonyms>