- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
40 entries under thin topic. ×
| incredible(adjective, great, excellent, flat, poor) | |
| unbelievable(adjective, great, excellent, flat, poor) | |
| implausible(adjective, great, slight, flat, poor) | |
| inconceivable(adjective, great, flat, poor) | |
| unconvincing(adjective, great, flat, poor) | |
| flimsy(adjective, poor, informal, unreasonable) | |
| unsubstantial(adjective, extraordinary, strange, unreasonable) | |
| slight(adjective, flat, poor, inadequate) | |
| slim(adjective, slight, poor, small) | |
| unreasonable(adjective, poor, dubious, unlikely) | |
| deficient(adjective, flat, poor, small) | |
| inadequate(adjective, poor, false, shallow) | |
| inconclusive(adjective, open, obscure, poor) | |
| inept(adjective, poor, false, inadequate) | |
| lame(adjective, flat, poor, false) | |
| poor(adjective, slight, flat, false) | |
| shallow(adjective, flat, poor, small) | |
| small(adjective, slight, poor, inadequate) | |
| thick(adjective, great, flat, poor) | |
| too much(expression, extraordinary, unreasonable, dubious) |
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| APA | Smart Define. (2015). improbable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/improbable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "improbable thesaurus" https://smartdefine.org/improbable/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, improbable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/improbable/thesaurus/synonyms>. |
| MLA | Smart Define. "improbable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/improbable/thesaurus/synonyms> |