- Definitions|0
- Thesaurus|27
- Abbreviations|0
25 entries under implausible topic. ×
| doubtful | |
| dubious(doubtful, unlikely) | |
| far-fetched(doubtful, unlikely) | |
| flimsy(doubtful, unlikely) | |
| hundred-to-one(doubtful, unlikely) | |
| iffy(doubtful, unlikely) | |
| improbable(adjective, doubtful, likely, unlikely) | |
| not expected(expression, doubtful, unlikely) | |
| not likely(expression, doubtful, unlikely) | |
| outside chance(expression, doubtful, unlikely) | |
| questionable(doubtful, unlikely) | |
| slim(doubtful, unlikely) | |
| unbelievable(doubtful, unlikely) | |
| uncertain(doubtful, unlikely) | |
| unconvincing(doubtful, unlikely) | |
| unheard of(expression, doubtful, unlikely) | |
| unsubstantial(doubtful, unlikely) | |
| weak(doubtful, unlikely) | |
| fanciful(doubtful, unlikely) | |
| impracticable(doubtful, unlikely) |
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| APA | Smart Define. (2011). slim and none thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/slim_and_none/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "slim and none thesaurus" https://smartdefine.org/slim_and_none/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2011, slim and none thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/slim_and_none/thesaurus/synonyms>. |
| MLA | Smart Define. "slim and none thesaurus" 23 May 2011. Web. 23 September 2026. <https://smartdefine.org/slim_and_none/thesaurus/synonyms> |