69 entries under dubious topic. ×
| unassured(adjective, uncertain, nervous, doubtful) | |
| arguable(uncertain, doubtful, tricky, questionable) | |
| on thin ice(expression, adjective, idiom, delicate, uncertain) | |
| open(adjective, uncertain, nervous, unstable, doubtful) | |
| suspect(uncertain, doubtful, shaky, tricky) | |
| touch and go(expression, adjective, idiom, delicate, uncertain) | |
| undetermined(open, uncertain, doubtful, vague) | |
| vacillating(adjective, uncertain, nervous, doubtful, vague) | |
| betwixt and between(expression, adjective, idiom, open, uncertain) | |
| enigmatic(uncertain, doubtful, tricky, sticky) | |
| impugnable(adjective, delicate, uncertain, unstable, doubtful) | |
| in a quandary(expression, adjective, idiom, uncertain, nervous) | |
| indefinite(open, uncertain, doubtful, unsettled) | |
| lacking(adjective, uncertain, nervous, doubtful, shaky) | |
| long shot(expression, adjective, delicate, uncertain, sensitive) | |
| mistrustful(adjective, uncertain, nervous, doubtful, shaky) | |
| mootable(uncertain, doubtful, unsure, questionable) | |
| obscure(uncertain, doubtful, shaky, restricted) | |
| rootless(adjective, uncertain, nervous, doubtful, shaky) | |
| skeptical(adjective, uncertain, nervous, doubtful, hesitant) |
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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> |