- Definitions|1
- Thesaurus|777
- Abbreviations|0
108 entries under adjective topic. ×
| unlikely(light, extraordinary, strange, rare) | |
| absurd(unreasonable, useless, doubtful, dubious) | |
| astonishing(great, excellent, strange, superb) | |
| astounding(great, excellent, superb, super) | |
| beyond belief(expression, idiom, extraordinary, belief) | |
| exceptional(light, thin, marvelous, special) | |
| singular(light, thin, strange, exceptional) | |
| dubious(extraordinary, amazing, doubtful, unlikely) | |
| extreme(unusual, special, rare, outlandish) | |
| gorgeous(great, excellent, superb, attractive) | |
| miraculous | |
| overwhelming(great, excellent, superb, super) | |
| ridiculous(unbelievable, implausible, improbable, unfeasible) | |
| unconvincing(extraordinary, strange, amazing, doubtful) | |
| unknowable(extraordinary, strange, implausible, unfathomable) | |
| untold | |
| enigmatic | |
| hopeless | |
| indescribable | |
| mind-boggling(extraordinary, strange, amazing, unbelievable) |
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| APA | Smart Define. (2015). unimaginable thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unimaginable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unimaginable thesaurus" https://smartdefine.org/unimaginable/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, unimaginable thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unimaginable/thesaurus/synonyms>. |
| MLA | Smart Define. "unimaginable thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/unimaginable/thesaurus/synonyms> |