- Definitions|2
- Thesaurus|772
- Abbreviations|0
37 entries under extraordinary topic. ×
| notable(adjective, great, unusual, important) | |
| red-letter(adjective, great, unusual, important) | |
| rubric(great, unusual, outstanding, serious) | |
| big-league(great, outstanding, serious, prominent) | |
| bodacious(great, unusual, outstanding, serious) | |
| catchy(great, outstanding, notable, unforgettable) | |
| celebrated(great, outstanding, serious, prominent) | |
| critical(great, outstanding, notable, unforgettable) | |
| crucial(great, outstanding, notable, unforgettable) | |
| decisive(great, outstanding, notable, unforgettable) | |
| enduring(great, outstanding, notable, unforgettable) | |
| eventful(great, unusual, outstanding, serious) | |
| famous(great, outstanding, prominent, notable) | |
| great(outstanding, prominent, notable, distinguished) | |
| heavy(adjective, great, unusual, important) | |
| historic(great, outstanding, notable, unforgettable) | |
| hot(adjective, great, unusual, important) | |
| illustrious(great, outstanding, prominent, notable) | |
| impressive(great, outstanding, attractive, notable) | |
| indelible(great, outstanding, notable, unforgettable) |
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| APA | Smart Define. (2015). observable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "observable thesaurus" https://smartdefine.org/observable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, observable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observable/thesaurus/synonyms>. |
| MLA | Smart Define. "observable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/observable/thesaurus/synonyms> |