378 entries under adjective topic. ×
| remote(dubious, unlikely, improbable) | |
| risky(noun, weak, delicate, uncertain) | |
| sardonic(person, shameless, negative emotions) | |
| slippery(weak, delicate, uncertain, unstable) | |
| sneaky(informal, shaky, dubious, unclear) | |
| strange(unusual, fantastic, dubious, unexpected) | |
| unconvincing(extraordinary, unreasonable, fantastic, dubious) | |
| unthinkable(extraordinary, amazing, incredible) | |
| wary | |
| weak(great, extraordinary, uncertain, anxious) | |
| world-weary(person, shameless, negative emotions) | |
| worried(uncertain, negative, anxious, nervous) | |
| apocryphal(fake, uncertain, dubious, questionable) | |
| difficult(noun, tricky, sticky, challenging) | |
| distracted(uncertain, hesitant, unsure, believing) | |
| erratic(unusual, strange, vague, dubious) | |
| farfetched(unreasonable, dubious, suspect, shady) | |
| fearful(weak, uncertain, anxious, nervous) | |
| in dispute(expression, idiom, inquiry) | |
| lost(uncertain, hesitant, confused, unsure) |
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| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |