248 entries under oppose topic. ×

5
battle(noun, verb, meet, attack)
5
buck(verb, support, take, meet, attack)
5
call in question(verb, expression, idiom, dispute)
5
clash(noun, verb, meet, attack)
5
complain(verb, fight, resist, protest)
5
confute(verb, deny, doubt, question)
5
contend(verb, take, meet, attack, run)
5
controvert(verb, dispute, deny, doubt)
5
disagree(verb, meet, criticize, ignore)
5
investigate(verb, fight, dispute, examine)
5
meet(noun, verb, take, attack)
5
remonstrate(verb, support, express, argue)
5
repudiate(verb, deny, reverse, counter)
5
take exception(verb, expression, idiom, support)
5
vie(verb, play, fight, match)
4
compete(verb, fight, match, face)
4
compete with(verb, expression, follow, match)
4
counterattack(noun, verb, charge, fire)
4
debate(noun, verb, dispute, difficulty)
4
distrust(verb, dispute, doubt, question)
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APASmart Define. (2016). challenge thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/challenge/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenge thesaurus" https://smartdefine.org/challenge/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, challenge thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/challenge/thesaurus/synonyms>.
MLASmart Define. "challenge thesaurus" 1 April 2016. Web. 27 September 2026. <https://smartdefine.org/challenge/thesaurus/synonyms>