2
counterattacks(noun, verb, opposes, oppositions)
2
encounters(noun, verb, confrontations, confronts)
2
fights(noun, verb, opposes, oppositions)
2
objects(noun, verb, opposes, disagrees)
2
rebuffs(noun, verb, opposes, oppositions)
2
adversaries(noun, oppositions)
2
antagonizes(verb, opposes, disagrees)
2
argues(verb, disagrees)
2
calls
2
contends(verb, disagrees)
2
contradictions(noun, oppositions, counteractions)
2
counteractions(noun, oppositions, counteractions)
2
counters(verb, opposes, defies)
2
crosses(verb, opposes, defies)
2
demands(noun, verb)
2
demurs(noun, verb, disagrees)
2
denies(verb, confutes)
2
disagreements(noun, oppositions, disagreements)
2
disagrees(verb, opposes, disagrees)
2
impugns
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APASmart Define. (2015). challenges thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/challenges/thesaurus/synonyms
ChicagoSmart Define. 2015. "challenges thesaurus" https://smartdefine.org/challenges/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, challenges thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/challenges/thesaurus/synonyms>.
MLASmart Define. "challenges thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/challenges/thesaurus/synonyms>