378 entries under adjective topic. ×
| mousy(meek, timid, unsure, unassuming) | |
| nervous(uncertain, awkward, shy, worried) | |
| perplexed(uncertain, hesitant, confused, unsure) | |
| preposterous(extraordinary, fantastic, amazing, unbelievable) | |
| ridiculous(dubious, suspicious) | |
| rocky(weak, delicate, uncertain, unstable) | |
| tenuous(weak, thin) | |
| theoretical(uncertain, vague, hesitant, unsure) | |
| timid(weak, uncertain, shy, hesitant) | |
| troubled(uncertain, negative, anxious, nervous) | |
| unassertive(meek, timid, unsure, unassuming) | |
| undependable(uncertain, nervous, vague, dubious) | |
| unpromising(shaky, unlikely) | |
| unsound(shaky, uneven, unbalanced, unsteady) | |
| absurd(dubious, improbable) | |
| ambivalent(open, vague, unsure, ambiguous) | |
| anxious(uncertain, awkward, nervous, shy) | |
| apprehensive(uncertain, anxious, awkward, nervous) | |
| arbitrary(changeable, erratic, random) | |
| capricious(dubious, changeable, uneven, unbalanced) |
For more, visit
Doubtful on
Power Thesaurus
| 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> |