190 entries under adjective topic. ×
| delicate(uncertain, sensitive, unstable, doubtful) | |
| fishy(uncertain, doubtful, shaky, dubious) | |
| fluctuant(uncertain, nervous, irregular, doubtful) | |
| fly-by-night(uncertain, nervous, doubtful, dubious) | |
| improbable(uncertain, doubtful, shaky, likely) | |
| in doubt(expression, idiom, clear, open) | |
| in question(idiom, clear, certain) | |
| inconclusive(clear, certain, uncertain, doubtful) | |
| rocky(delicate, uncertain, sensitive, unstable) | |
| shady(uncertain, doubtful, shaky, dubious) | |
| slippery(delicate, uncertain, unstable, doubtful) | |
| unassured(uncertain, nervous, doubtful, dubious) | |
| unsound(delicate, uncertain, sensitive, risky) | |
| variable(uncertain, irregular, doubtful, vague) | |
| weak(uncertain, nervous, doubtful, insecure) | |
| at issue(idiom, clear, certain) | |
| explosive | |
| flimsy(doubtful, unlikely, implausible, unsubstantiated) | |
| inconsistent(irregular, unpredictable, unreliable) | |
| on thin ice(expression, idiom, delicate, uncertain) |
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| APA | Smart Define. (2015). iffy thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/iffy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "iffy thesaurus" https://smartdefine.org/iffy/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, iffy thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/iffy/thesaurus/synonyms>. |
| MLA | Smart Define. "iffy thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/iffy/thesaurus/synonyms> |