- Definitions|0
- Thesaurus|66
- Abbreviations|1
25 entries under implausible topic. ×
| improbable(adjective, unreasonable, doubtful, dubious, unlikely) | |
| doubtful(adjective, unreasonable, dubious, unlikely, flimsy) | |
| dubious(adjective, unreasonable, doubtful, unlikely, flimsy) | |
| fanciful(adjective, doubtful, unlikely) | |
| far-fetched(doubtful, unlikely, unbelievable, improbable) | |
| flimsy(adjective, unreasonable, doubtful, dubious, unlikely) | |
| hundred-to-one(doubtful, unlikely) | |
| iffy(doubtful, unlikely) | |
| inconceivable(adjective, unreasonable, doubtful, dubious, unlikely) | |
| incredible(adjective, unreasonable, doubtful, dubious, unlikely) | |
| not expected(expression, doubtful, unlikely) | |
| questionable(doubtful, dubious, unlikely, unbelievable) | |
| rare(adjective, doubtful, dubious, unlikely) | |
| slim(doubtful, unlikely) | |
| slim and none(expression, idiom, doubtful, unlikely) | |
| unbelievable(adjective, unreasonable, doubtful, dubious, unlikely) | |
| uncertain(doubtful, unlikely) | |
| unconvincing(adjective, unreasonable, doubtful, dubious, unlikely) | |
| unimaginable(doubtful, dubious, unlikely, improbable) | |
| unsubstantial(adjective, unreasonable, doubtful, dubious, unlikely) |
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| APA | Smart Define. (2015). not likely thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/not_likely/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "not likely thesaurus" https://smartdefine.org/not_likely/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, not likely thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/not_likely/thesaurus/synonyms>. |
| MLA | Smart Define. "not likely thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/not_likely/thesaurus/synonyms> |