- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
80 entries under doubtful topic. ×
| improbable(adjective, slight, extraordinary, strange, superb) | |
| implausible(adjective, slight, extraordinary, strange, superb) | |
| remote(adjective, slight, dubious, improbable) | |
| incredible(adjective, extraordinary, strange, superb, fantastic) | |
| dubious(adjective, open, slight, uncertain) | |
| unbelievable(adjective, obscure, extraordinary, strange, superb) | |
| far-fetched(adjective, hard, strange, uncertain, fantastic) | |
| questionable(adjective, open, uncertain, shaky) | |
| fishy(adjective, uncertain, shaky, dubious) | |
| fantastic(adjective, extraordinary, strange, superb, amazing) | |
| absurd(adjective, strange, crazy, unreasonable, fantastic) | |
| slight(adjective, remote, dubious, improbable) | |
| unconvincing(adjective, extraordinary, strange, fantastic) | |
| preposterous(adjective, obscure, strange, exceptional, crazy) | |
| moot(uncertain, unsure, ambiguous, debatable) | |
| ridiculous(adjective, strange, crazy, dubious) | |
| suspect(adjective, open, obscure, uncertain) | |
| equivocal(uncertain, unsure, ambiguous) | |
| doubtable(adjective, open, obscure, uncertain) | |
| dubitable(adjective, uncertain, shaky, unsure) |
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| APA | Smart Define. (2015). unlikely thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unlikely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unlikely thesaurus" https://smartdefine.org/unlikely/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unlikely thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unlikely/thesaurus/synonyms>. |
| MLA | Smart Define. "unlikely thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/unlikely/thesaurus/synonyms> |