81 entries under doubtful topic. ×
| impugnable(adjective, delicate, uncertain, unstable) | |
| in a quandary(expression, adjective, idiom, uncertain, nervous) | |
| irresolute(open, uncertain, nervous, vague) | |
| lacking(adjective, uncertain, nervous, shaky) | |
| loaded(adjective, delicate, uncertain, unstable) | |
| mistrustful(adjective, uncertain, nervous, shaky) | |
| on thin ice(expression, adjective, idiom, delicate, uncertain) | |
| open to question(adjective, uncertain, dubious, suspect) | |
| perilous(adjective, delicate, uncertain, unstable) | |
| risky(adjective, weak, delicate, uncertain, unstable) | |
| rocky(adjective, weak, delicate, uncertain, unstable) | |
| rootless(adjective, uncertain, nervous, shaky) | |
| rugged(adjective, delicate, uncertain, unstable) | |
| sensitive(adjective, weak, delicate, uncertain, unstable) | |
| shady(adjective, uncertain, shaky, dubious) | |
| shaky(adjective, weak, delicate, uncertain, nervous) | |
| skeptical(adjective, uncertain, nervous, hesitant) | |
| slippery(adjective, weak, delicate, uncertain, unstable) | |
| ticklish(adjective, weak, delicate, uncertain, unstable) | |
| touch and go(expression, adjective, idiom, delicate, uncertain) |
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| APA | Smart Define. (2015). borderline thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, borderline thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>. |
| MLA | Smart Define. "borderline thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms> |