221 entries under noun topic. ×

7
call(verb, stop, take, order)
7
contradiction(opposition, disputation, counteraction, confutation)
7
problem(difficulty, issue, question, subject)
7
rebuff(verb, oppose, opposition)
6
ultimatum(dispute, demand, question, test)
6
demanding(adjective, dispute, question, test)
6
exception(support, act, dislike, doubt)
6
remonstration(support, act, issue, dislike)
5
venture(verb, take, set, meet)
5
battle(verb, meet, attack, oppose)
5
clash(verb, meet, attack, oppose)
5
complaint(disagreement, question, opposition, protest)
5
contention(issue, disagreement, opposition, subject)
5
counterwork(verb, counteract, counteraction)
5
disagreement(disagreement, opposition, protest, argument)
5
invitation(request, offer, invite, proposal)
5
meet(verb, take, attack, oppose)
5
rejection(dislike, disagreement, doubt, opposition)
5
remonstrance(support, act, dispute, issue)
5
threat(dispute, question, test, trial)
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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>