221 entries under noun topic. ×
| spur(verb, touch, encourage, raise) | |
| stickler(question, puzzle, mystery, riddle) | |
| strenuousness | |
| suppression | |
| wrangle(verb, meet, attack, oppose) | |
| taunt(oppose, provoke, resist, insult) | |
| slur | |
| accusation | |
| allegation | |
| arduousness | |
| ascription | |
| aspersion | |
| attraction(call, request, offer, suggestion) | |
| attribution | |
| begging(call, request, offer, suggestion) | |
| bugaboo(puzzle, conundrum) | |
| cliff-hanger(puzzle, conundrum) | |
| climb | |
| competition(match, opposition, game, contest) | |
| compliments(call, request, offer, suggestion) |
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| APA | Smart Define. (2016). challenge thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/challenge/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "challenge thesaurus" https://smartdefine.org/challenge/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, challenge thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/challenge/thesaurus/synonyms>. |
| MLA | Smart Define. "challenge thesaurus" 1 April 2016. Web. 29 September 2026. <https://smartdefine.org/challenge/thesaurus/synonyms> |