48 entries under noun topic. ×
| dare | |
| defiance | |
| litigate | |
| defy | |
| question | |
| test | |
| bet | |
| bravado | |
| compete | |
| confront | |
| contend | |
| contest | |
| contradict | |
| contravene | |
| debate | |
| deny | |
| dilemma | |
| disagree | |
| disprove | |
| dispute |
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| APA | Smart Define. (2016). challenge thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/challenge/thesaurus/narrower |
| Chicago | Smart Define. 2016. "challenge thesaurus" https://smartdefine.org/challenge/thesaurus/narrower (accessed September 26, 2026). |
| Harvard | Smart Define 2016, challenge thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/challenge/thesaurus/narrower>. |
| MLA | Smart Define. "challenge thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/challenge/thesaurus/narrower> |