- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
244 entries under adjective topic. ×
| questionable(weak, great, flat, poor) | |
| remote(doubtful, dubious, unlikely, improbable) | |
| ridiculous(keen, sharp, strange, crazy) | |
| suspect(weak, extraordinary, amazing, likely) | |
| thin(weak, great, poor, informal) | |
| unimaginable(extraordinary, strange, amazing, doubtful) | |
| unsubstantial(thin, extraordinary, strange, unreasonable) | |
| ludicrous(strange, crazy, insane, absurd) | |
| unsustainable | |
| extreme(strange, crazy, insane, absurd) | |
| illogical(poor, sense, fantastic, absurd) | |
| problematic(likely, unlikely, unbelievable, improbable) | |
| tall(hard, difficult, unreasonable, exaggerated) | |
| beyond belief(expression, idiom, extraordinary, amazing) | |
| crazy(strange, insane, absurd, excessive) | |
| erratic(strange, crazy, insane, unpredictable) | |
| unrealistic(strange, fantastic, doubtful, dubious) | |
| untenable(irrational, unbelievable, improbable, unreasoned) | |
| debatable | |
| dubitable |
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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> |