60 entries under challenge topic. ×

16
contradict(verb, check, decline, reject, oppose)
15
deny(verb, cut, check, decline, reject)
12
gainsay(verb, check, decline, reject, oppose)
12
negate(verb, change, cut, fix, check)
11
disprove(verb, decline, reject, oppose, refuse)
7
contravene(verb, check, decline, reject, oppose)
7
controvert(verb, decline, reject, oppose, refuse)
7
disclaim(verb, decline, reject, oppose, refuse)
7
traverse(verb, phrasal verb, law, check, oppose)
6
counter(verb, adjective, check, oppose)
6
counteract(verb, stop, change, fix, check)
6
refute(verb, decline, reject, oppose, refuse)
6
repudiate(verb, decline, reject, oppose, refuse)
5
disaffirm(verb, check, oppose, criticize, dispute)
5
impugn(verb, check, reject, oppose, criticize)
5
reverse(noun, verb, adjective, oppose)
4
belie(verb, oppose, deny, undo)
3
break(verb, criticize, dispute, deny)
3
cross(verb, adjective, oppose, correct, halt)
3
oppose(verb, check, decline, reject, correct)
<123>
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APASmart Define. (2016). negative thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/negative/thesaurus/synonyms
ChicagoSmart Define. 2016. "negative thesaurus" https://smartdefine.org/negative/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, negative thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/negative/thesaurus/synonyms>.
MLASmart Define. "negative thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/negative/thesaurus/synonyms>