52 entries under questionable topic. ×
| open to question(adjective, uncertain, doubtful, dubious, suspect) | |
| pending(open, uncertain, shaky, unclear, unsure) | |
| shady(adjective, uncertain, doubtful, shaky, dubious) | |
| shaky(adjective, weak, delicate, uncertain, nervous) | |
| sneaky(uncertain, shaky, unclear, unlikely) | |
| speculative(uncertain, shaky, unclear, unlikely) | |
| suspect(adjective, uncertain, shaky, vague, dubious) | |
| touch-and-go(uncertain, shaky, unclear, unlikely) | |
| touchy(adjective, open, delicate, uncertain, nervous) | |
| unconfirmed(uncertain, shaky, unclear, unlikely) | |
| unpredictable(uncertain, uneven, unbalanced, unhinged) | |
| up for grabs(expression, adjective, idiom, uncertain, nervous) |
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| APA | Smart Define. (2015). borderline thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, borderline thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>. |
| MLA | Smart Define. "borderline thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms> |