- Definitions|2
- Thesaurus|4.1k
- Abbreviations|0
99 entries under uncertain topic. ×
| shaky(adjective, doubtful, dubious, unreliable) | |
| vague(adjective, clear, rough, anxious) | |
| ambiguous(adjective, clear, rough, certain) | |
| unsettled(noun, adjective, open, rough) | |
| problematical(adjective, clear, certain, dubious) | |
| fly-by-night(adjective, dishonest, doubtful, deceitful) | |
| unlikely(adjective, open, doubtful, shaky) | |
| indefinite(adjective, obscure, rough, doubtful) | |
| undecided(noun, adjective, doubtful, unsettled) | |
| undependable(adjective, dishonest, doubtful, deceitful) | |
| dubitable(adjective, clear, certain, anxious) | |
| borderline(adjective, clear, certain, doubtful) | |
| contestable | |
| in doubt(expression, adjective, idiom, clear, certain) | |
| indeterminate(adjective, clear, certain, doubtful) | |
| unclear(adjective, clear, rough, certain) | |
| unresolved(adjective, doubtful, unsettled, vague) | |
| doubtable(adjective, doubtful, unsettled, shaky) | |
| far-fetched(adjective, extraordinary, doubtful, absurd) | |
| in question(expression, adjective, idiom, clear, weak) |
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| APA | Smart Define. (2015). questionable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/questionable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "questionable thesaurus" https://smartdefine.org/questionable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, questionable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/questionable/thesaurus/synonyms>. |
| MLA | Smart Define. "questionable thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/questionable/thesaurus/synonyms> |