97 entries under uncertain topic. ×
| fishy(shaky, vague, dubious, unclear) | |
| fluctuant(adjective, nervous, doubtful, shaky) | |
| fly-by-night(adjective, nervous, doubtful, shaky) | |
| hairy(adjective, delicate, unstable, doubtful) | |
| hanging by a thread(expression, adjective, idiom, delicate) | |
| hazardous(adjective, delicate, unstable, doubtful) | |
| hazy(shaky, vague, unclear, ambiguous) | |
| hesitant(open, nervous, doubtful, vague) | |
| impugnable(adjective, delicate, unstable, doubtful) | |
| in a quandary(expression, adjective, idiom, nervous) | |
| irresolute(open, nervous, doubtful, vague) | |
| lacking(adjective, nervous, doubtful, shaky) | |
| loaded(adjective, delicate, unstable, doubtful) | |
| long shot(expression, shaky, unclear, unlikely) | |
| mistrustful(adjective, nervous, doubtful, shaky) | |
| obscure(shaky, vague, unclear, ambiguous) | |
| on thin ice(expression, adjective, idiom, delicate) | |
| open to question(adjective, doubtful, dubious, suspect) | |
| pending(open, shaky, unclear, unsure) | |
| perilous(adjective, delicate, unstable, doubtful) |
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| APA | Smart Define. (2015). borderline thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, borderline thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>. |
| MLA | Smart Define. "borderline thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms> |