- Definitions|2
- Thesaurus|4.1k
- Abbreviations|0
287 entries under adjective topic. ×
| precarious(uncertainty, uncertain, unreliable, insecure) | |
| shaky(uncertain, doubtful, dubious, unreliable) | |
| vague(clear, rough, uncertain, anxious) | |
| ambiguous(clear, rough, certain, uncertain) | |
| unsettled(noun, open, rough, uncertain) | |
| problematical(clear, certain, uncertain, dubious) | |
| fly-by-night(uncertain, dishonest, doubtful, deceitful) | |
| incredible(great, flat, poor, extraordinary) | |
| unlikely(open, uncertain, doubtful, shaky) | |
| indefinite(obscure, rough, uncertain, doubtful) | |
| slippery(uncertainty, dishonest, deceitful, unreliable) | |
| unbelievable(weak, great, flat, poor) | |
| undecided(noun, uncertain, doubtful, unsettled) | |
| undependable(uncertain, dishonest, doubtful, deceitful) | |
| confutable | |
| dubitable(clear, certain, uncertain, anxious) | |
| queer(unusual, strange, odd, dubious) | |
| refutable | |
| shifty(corrupt, dishonest, deceitful, dubious) | |
| tricky(false, dishonest, deceitful, unpredictable) |
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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> |