- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
| astronomic | |
| astronomical | |
| authentically | |
| barn door(expression, great, big, huge, vast) | |
| bedevil | |
| beguiling | |
| best(adjective, excellent, superb, wonderful, marvelous) | |
| blimp(great, big, huge, vast, fabulous) | |
| capital(adjective, good, bad, great, sound) | |
| class | |
| cool(adjective, great, superb, wonderful, exceptional) | |
| cosmic | |
| cosmical | |
| crack(adjective, good, bad, great, sound) | |
| cracking | |
| doozie(adjective, excellent, superb, wonderful, marvelous) | |
| dynamite(adjective, superb, wonderful, marvelous, fantastic) | |
| egregious | |
| emphatic | |
| enigmatic |
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| APA | Smart Define. (2015). stupendous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/stupendous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stupendous thesaurus" https://smartdefine.org/stupendous/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, stupendous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/stupendous/thesaurus/synonyms>. |
| MLA | Smart Define. "stupendous thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/stupendous/thesaurus/synonyms> |