Synonyms|554Antonyms|82|Broader|1Narrower|5Related|175
3
inhibiting(verb, adjective, opposing, oppositional)
3
inquiring(verb, adjective, questioning)
3
insolent(adjective, defiant)
3
neutralizing(verb, adjective, counteractive, counteracting)
3
querying(verb, adjective, questioning)
3
rebellious(adjective, unwilling, opposed, defiant)
3
rebuffing(verb, adjective, opposing, oppositional)
3
repelling(verb, adjective, opposing, oppositional)
3
repressing(verb, adjective, opposing, oppositional)
3
repudiating(verb, disagreeing, confuting)
3
repulsing(verb, adjective, opposing, oppositional)
3
rigourous
3
rough(adjective, great, tough, difficult, terrible)
3
suppressing(verb, adjective, opposing, oppositional)
3
trying(adjective, hard, tough, severe, difficult)
2
appealing
2
arousing
2
asking(verb, questioning)
2
awkward(adjective, difficult, contrary, demanding, tricky)
2
brazen
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APASmart Define. (2016). challenging thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms
ChicagoSmart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, challenging thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>.
MLASmart Define. "challenging thesaurus" 2 March 2016. Web. 22 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms>