69 entries under dubious topic. ×
| undecided(adjective, open, uncertain, definite, doubtful) | |
| unsettled(adjective, open, delicate, uncertain, unstable) | |
| whimsical(adjective, uncertain, irregular, risky) | |
| unstable(adjective, delicate, uncertain, nervous, irregular) | |
| equivocal(adjective, clear, open, delicate, certain) | |
| indecisive(adjective, clear, open, delicate, certain) | |
| suspicious(adjective, uncertain, nervous, doubtful, unsettled) | |
| untrustworthy(adjective, uncertain, nervous, doubtful) | |
| borderline(adjective, clear, open, delicate, certain) | |
| disputable(adjective, uncertain, doubtful, tricky) | |
| moot(adjective, open, uncertain, doubtful) | |
| touch-and-go(adjective, delicate, uncertain, sensitive, unsettled) | |
| touchy(adjective, delicate, uncertain, nervous, sensitive) | |
| unclear(adjective, clear, open, certain, uncertain) | |
| undependable(adjective, uncertain, nervous, doubtful) | |
| contingent(adjective, delicate, uncertain, unstable, doubtful) | |
| fishy(adjective, uncertain, doubtful, shaky) | |
| fluctuant(adjective, uncertain, nervous, irregular, doubtful) | |
| fly-by-night(adjective, uncertain, nervous, doubtful) | |
| shady(adjective, uncertain, doubtful, shaky) |
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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> |