246 entries under doubtful topic. ×
| fly-by-night(adjective, nervous, dubious, unpredictable) | |
| halfhearted(adjective, cool, weak, hesitant) | |
| halting(adjective, weak, shy, hesitant) | |
| troubled(adjective, upset, anxious, nervous, ill) | |
| changing(adjective, upset, weak, anxious) | |
| conditional(adjective, limited, vague, dubious) | |
| contingent(adjective, delicate, unstable, chance, limited) | |
| cryptic(adjective, obscure, difficult, dark) | |
| fuzzy(adjective, rough, vague, dubious) | |
| of two minds(expression, adjective, idiom, open) | |
| open to question(expression, adjective, dubious, questionable) | |
| reluctant(adjective, hesitant, cautious, unsure) | |
| rickety(adjective, weak, sensitive, feeble) | |
| tenebrous(adjective, obscure, rough, difficult, dark) | |
| unintelligible(adjective, obscure, rough, difficult, dark) | |
| afraid(adjective, anxious, nervous, shy) | |
| disreputable(adjective, unsettled, dubious, unpredictable) | |
| doubtable(adjective, unsettled, dubious, suspicious) | |
| half-hearted(adjective, cool, shy, cautious) | |
| hypothetical(adjective, dubious, likely, risky) |
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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> |