59 entries under unlikely topic. ×
| indeterminate(adjective, clear, obscure, rough, certain) | |
| insecure(adjective, delicate, uncertain, awkward, nervous) | |
| shaky(adjective, weak, delicate, uncertain, anxious) | |
| open(adjective, uncertain, nervous, unstable, unsettled) | |
| unbelievable(adjective, great, extraordinary, unreasonable, fantastic) | |
| unstable(adjective, weak, delicate, uncertain, nervous) | |
| uneasy(adjective, open, uncertain, anxious, awkward) | |
| dicey(noun, adjective, open, obscure, delicate) | |
| doubtable(adjective, open, obscure, uncertain, shaky) | |
| touch-and-go(adjective, shaky, unclear, questionable) | |
| unimaginable(adjective, extraordinary, amazing, dubious) | |
| contingent(adjective, delicate, uncertain, unstable, shaky) | |
| flimsy(adjective, great, extraordinary, unreasonable, amazing) | |
| hazardous(adjective, open, obscure, delicate, uncertain) | |
| remote(adjective, dubious, improbable) | |
| sneaky(adjective, informal, shaky, dubious, unclear) | |
| weak(adjective, great, extraordinary, uncertain, anxious) | |
| unpromising(adjective, shaky) | |
| impossible(adjective, extraordinary, unreasonable, amazing, dubious) | |
| touchy(adjective, open, obscure, delicate, uncertain) |
For more, visit
Doubtful on
Power Thesaurus
| APA | Smart Define. (2016). doubtful thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/doubtful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "doubtful thesaurus" https://smartdefine.org/doubtful/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, doubtful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/doubtful/thesaurus/synonyms>. |
| MLA | Smart Define. "doubtful thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/doubtful/thesaurus/synonyms> |