- Definitions|2
- Thesaurus|817
- Abbreviations|0
104 entries under verb topic. ×
| facing(confronting, defying) | |
| impugning | |
| meddling(opposing, counteracting) | |
| negating | |
| probing(adjective, questioning) | |
| rebelling | |
| refuting | |
| abnegating | |
| abrogating | |
| affronting | |
| arguing | |
| bickering | |
| calling | |
| canvassing | |
| catechizing | |
| checking | |
| claiming | |
| clashing | |
| colliding | |
| competing(adjective, rival, opposing) |
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| APA | Smart Define. (2016). challenging thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenging/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "challenging thesaurus" https://smartdefine.org/challenging/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, challenging thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenging/thesaurus/synonyms>. |
| MLA | Smart Define. "challenging thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/challenging/thesaurus/synonyms> |