- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
143 entries under adjective topic. ×
| not expected(expression, doubtful, likely, unlikely) | |
| odd | |
| outrageous(superb, amazing, remarkable, impressive) | |
| outside chance(expression, doubtful, dubious, likely) | |
| poor(slight, flat, thin, false) | |
| puzzling(unreasonable, dubious, unlikely, flimsy) | |
| shallow(flat, poor, thin, small) | |
| slim and none(expression, idiom, doubtful, likely) | |
| small(slight, poor, thin, inadequate) | |
| starry-eyed(wild, silly, unreasonable, useless) | |
| thick(great, flat, poor, thin) | |
| unheard of(expression, doubtful, likely, unlikely) | |
| unsatisfactory(poor, thin, false, small) | |
| unsure(open, obscure, poor, thin) | |
| unsuspected | |
| abnormal | |
| baffling | |
| bewildering | |
| bizarre | |
| conflicting |
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| APA | Smart Define. (2015). improbable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/improbable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "improbable thesaurus" https://smartdefine.org/improbable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, improbable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/improbable/thesaurus/synonyms>. |
| MLA | Smart Define. "improbable thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/improbable/thesaurus/synonyms> |