- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
81 entries under unbelievable topic. ×
| improbable(adjective, slight, extraordinary, strange, superb) | |
| implausible(adjective, slight, extraordinary, strange, superb) | |
| doubtful(adjective, slight, uncertain, shaky, dubious) | |
| incredible(adjective, extraordinary, strange, superb, fantastic) | |
| dubious(adjective, open, slight, uncertain, doubtful) | |
| far-fetched(adjective, hard, strange, uncertain, fantastic) | |
| questionable(adjective, open, uncertain, doubtful, shaky) | |
| fishy(adjective, uncertain, doubtful, shaky, dubious) | |
| fantastic(adjective, extraordinary, strange, superb, amazing) | |
| farfetched(adjective, improbable, unbelieveable) | |
| absurd(adjective, strange, crazy, unreasonable, fantastic) | |
| preposterous(adjective, obscure, strange, exceptional, crazy) | |
| impossible(adjective, extraordinary, unusual, strange, unreasonable) | |
| suspect(adjective, open, obscure, uncertain, doubtful) | |
| extraordinary(adjective, light, thin, strange, rare) | |
| flimsy(adjective, light, thin, exceptional, short) | |
| strange(adjective, light, thin, extraordinary, superb) | |
| unreasonable(adjective, unusual, ridiculous, absurd) | |
| fabulous(adjective, awful, strange, superb, wonderful) | |
| fanciful(adjective, strange, fantastic, doubtful, rare) |
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| APA | Smart Define. (2015). unlikely thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unlikely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unlikely thesaurus" https://smartdefine.org/unlikely/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, unlikely thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unlikely/thesaurus/synonyms>. |
| MLA | Smart Define. "unlikely thesaurus" 14 April 2015. Web. 30 September 2026. <https://smartdefine.org/unlikely/thesaurus/synonyms> |