- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
| past belief(expression, extraordinary, amazing, incredible) | |
| peculiar | |
| phony(extraordinary, strange, amazing, unbelievable, incredible) | |
| problematical | |
| rare(extraordinary, strange, doubtful, dubious, unlikely) | |
| reachy(adjective, extraordinary, strange, likely, unlikely) | |
| scatterbrained(extraordinary, amazing, incredible) | |
| screwy(extraordinary, amazing, irrational, incredible, unreasoned) | |
| self-contradictory(adjective, absurd) | |
| shady | |
| shallow(adjective, flat, poor, thin, small) | |
| slim(adjective, slight, poor, thin, inadequate) | |
| speculative | |
| staggering(extraordinary, strange, amazing, unbelievable, incredible) | |
| staggering belief | |
| supposed | |
| uncertain(adjective, irregular, doubtful, unpredictable, rare) | |
| uncompelling | |
| unconceivable(adjective, likely) | |
| unearthly |
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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> |