76 entries under dubious topic. ×
| insecure(adjective, delicate, uncertain, nervous, unstable) | |
| contingent(adjective, delicate, uncertain, unstable, doubtful) | |
| dicey(adjective, delicate, uncertain, unstable, doubtful) | |
| distrustful(adjective, uncertain, nervous, doubtful, shaky) | |
| doubtable(uncertain, doubtful, shaky, unclear) | |
| fishy(uncertain, shaky, vague, unclear) | |
| fluctuant(adjective, uncertain, nervous, doubtful, shaky) | |
| fly-by-night(adjective, uncertain, nervous, doubtful, shaky) | |
| hazardous(adjective, delicate, uncertain, unstable, doubtful) | |
| impugnable(adjective, delicate, uncertain, unstable, doubtful) | |
| in a quandary(expression, adjective, idiom, uncertain, nervous) | |
| lacking(adjective, uncertain, nervous, doubtful, shaky) | |
| mistrustful(adjective, uncertain, nervous, doubtful, shaky) | |
| on thin ice(expression, adjective, idiom, delicate, uncertain) | |
| open to question(adjective, uncertain, doubtful, suspect) | |
| risky(adjective, weak, delicate, uncertain, unstable) | |
| rocky(adjective, weak, delicate, uncertain, unstable) | |
| rootless(adjective, uncertain, nervous, doubtful, shaky) | |
| sensitive(adjective, weak, delicate, uncertain, unstable) | |
| shady(adjective, uncertain, doubtful, shaky) |
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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> |