- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
53 entries under extraordinary topic. ×
| incredible(adjective, great, flat, poor, thin) | |
| improbable(adjective, great, slight, flat, poor) | |
| unbelievable(adjective, hard, weak, great, flat) | |
| preposterous(adjective, hard, great, difficult) | |
| inconceivable(adjective, great, flat, poor, thin) | |
| unlikely(adjective, slight, strange, superb) | |
| doubtful(adjective, fantastic, amazing, dubious) | |
| fantastic(adjective, strange, superb, amazing) | |
| dubious(adjective, great, slight, amazing) | |
| unconvincing(adjective, weak, great, flat, poor) | |
| fishy(adjective, fantastic, amazing, doubtful) | |
| unthinkable(adjective, unusual, strange, amazing) | |
| weak(adjective, great, poor, strange) | |
| impossible(adjective, hard, great, difficult) | |
| far-fetched(adjective, hard, fantastic, amazing) | |
| questionable(adjective, weak, great, flat, poor) | |
| suspect(adjective, weak, amazing, likely) | |
| thin(adjective, weak, great, poor, informal) | |
| unimaginable(adjective, strange, amazing, doubtful) | |
| unsubstantial(adjective, thin, strange, unreasonable) |
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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> |