- Definitions|1
- Thesaurus|555
- Abbreviations|0
| debatable(adjective, reasoning) | |
| arguable | |
| controversial(adjective, uncertain, doubtful, dubious, contentious) | |
| disputable | |
| questionable | |
| doubtful(adjective, uncertainty) | |
| moot | |
| contestable(adjective, contentious, provocative, debated) | |
| dubious(adjective, uncertainty) | |
| flimsy(adjective, poor, implausible, unconvincing) | |
| in question(expression, idiom, uncertainty) | |
| problematic | |
| problematical | |
| unsustainable(adjective, error) | |
| contentious | |
| doubtable(adjective, contentious, provocative, debated) | |
| open to question(expression, adjective, idiom, uncertain, doubtful) | |
| ambiguous | |
| apocryphal | |
| at issue |
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| APA | Smart Define. (2015). controvertible thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/controvertible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "controvertible thesaurus" https://smartdefine.org/controvertible/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, controvertible thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/controvertible/thesaurus/synonyms>. |
| MLA | Smart Define. "controvertible thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/controvertible/thesaurus/synonyms> |