- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
| insupposable(extraordinary, strange, unbelievable, improbable, unthinkable) | |
| ironic(adjective, sarcastic) | |
| lame(adjective, weak, flat, poor, thin) | |
| lamebrained(extraordinary, amazing, incredible) | |
| likely | |
| mad | |
| makeshift(adjective, unpredictable, fickle, variable, undependable) | |
| meagre | |
| meaningless(adjective, absurd) | |
| mind-boggling(adjective, extraordinary, strange, fantastic, amazing) | |
| more than doubtful(expression, idiom) | |
| negligible | |
| not deserving belief(expression, idiom) | |
| not likely(expression, adjective, doubtful, dubious, unlikely) | |
| open to suspicion(expression, idiom) | |
| outside | |
| outside chance(expression, doubtful, dubious, unlikely, improbable) | |
| paltry | |
| paradoxical(adjective, absurd) | |
| passing belief |
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| APA | Smart Define. (2015). implausible thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/implausible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "implausible thesaurus" https://smartdefine.org/implausible/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, implausible thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/implausible/thesaurus/synonyms>. |
| MLA | Smart Define. "implausible thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/implausible/thesaurus/synonyms> |