246 entries under doubtful topic. ×
| unconvincing(adjective, unpredictable, rare, fickle) | |
| uneager(adjective, shy, cautious, diffident) | |
| unhealthy(adjective, delicate, sensitive, unstable, ill) | |
| unsubstantial(adjective, feeble, hesitant, sluggish) | |
| weak-kneed(weak, indefinite, wavering, indecisive) | |
| academic(vague, imaginary, theoretical, assumed) | |
| alarmed(adjective, anxious, nervous, worried) | |
| assumed(vague, risky, imaginary, theoretical) | |
| betwixt and between(expression, idiom, open, dubious) | |
| biting nails(expression, adjective, anxious, nervous) | |
| butterflies(adjective, anxious, nervous, worried) | |
| contentious(dubious, questionable, provocative, debatable) | |
| delaying(adjective, shy, cautious, diffident) | |
| dynamite(adjective, delicate, unstable, unsettled) | |
| evasive(adjective, faint, vague, dubious) | |
| far-fetched(unsure, unlikely, implausible) | |
| feel in bones(expression, adjective, idiom, anxious, nervous) | |
| fluctuant(adjective, nervous, unstable, irregular) | |
| foreboding(adjective, hard, severe, anxious, nervous) | |
| frozen(adjective, anxious, nervous, worried) |
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| APA | Smart Define. (2016). uncertain thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/uncertain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "uncertain thesaurus" https://smartdefine.org/uncertain/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, uncertain thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/uncertain/thesaurus/synonyms>. |
| MLA | Smart Define. "uncertain thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/uncertain/thesaurus/synonyms> |