- Definitions|2
- Thesaurus|802
- Abbreviations|0
146 entries under noun topic. ×
| doubt(trouble, concern, anxiety, confusion) | |
| uncertainty(anxiety, certain, doubt, uncertainty) | |
| dubiety(trouble, concern, anxiety, confusion) | |
| incertitude(trouble, concern, anxiety, confusion) | |
| dubiousness(certain, doubt, uncertainty, lack) | |
| mistrust(trouble, concern, anxiety, confusion) | |
| suspicion(trouble, concern, anxiety, confusion) | |
| distrust(trouble, concern, anxiety, confusion) | |
| question(certain, doubt, uncertainty, lack) | |
| implausibility(improbability, unlikelihood) | |
| misgiving(trouble, concern, anxiety, confusion) | |
| skepticism(trouble, concern, anxiety, confusion) | |
| unlikelihood(improbability, implausibility) | |
| ambiguity(trouble, cover, concern, line) | |
| disbelief | |
| equivocation(cover, line, doubt, uncertainty) | |
| improbability(improbability, implausibility, unlikelihood) | |
| incredulity | |
| haziness(uncertainty, vagueness, roughness, fuzziness) | |
| indefiniteness(doubt, uncertainty, obscurity, vagueness) |
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| APA | Smart Define. (2016). doubtfulness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/doubtfulness/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtfulness thesaurus" https://smartdefine.org/doubtfulness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, doubtfulness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/doubtfulness/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtfulness thesaurus" 29 February 2016. Web. 29 September 2026. <https://smartdefine.org/doubtfulness/thesaurus/synonyms> |