- Definitions|1
- Thesaurus|221
- Abbreviations|0
62 entries under outstanding topic. ×
| memorable(adjective, superior, unusual, important, glad) | |
| notable(adjective, great, excellent, extraordinary, unusual) | |
| noteworthy(adjective, important, prominent, remarkable) | |
| historic(adjective, great, extraordinary, remarkable) | |
| important(adjective, great, extraordinary, unusual, famous) | |
| momentous(adjective, great, extraordinary, superior, unusual) | |
| observable(adjective, great, extraordinary, unusual, important) | |
| rubric(great, extraordinary, unusual, serious) | |
| significant(adjective, great, extraordinary, superior, unusual) | |
| unforgettable(adjective, great, extraordinary, notable) | |
| big-league(great, extraordinary, serious, prominent) | |
| bodacious(great, extraordinary, unusual, serious) | |
| catchy(great, extraordinary, notable, unforgettable) | |
| celebrated(adjective, great, extraordinary, serious) | |
| conspicuous(adjective, great, unusual, important, famous) | |
| critical(great, extraordinary, notable, unforgettable) | |
| crucial(great, extraordinary, notable, unforgettable) | |
| decisive(great, extraordinary, notable, unforgettable) | |
| distinguished(adjective, great, superior, unusual, important) | |
| enduring(great, extraordinary, notable, unforgettable) |
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| APA | Smart Define. (2015). red-letter thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/red-letter/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "red-letter thesaurus" https://smartdefine.org/red-letter/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, red-letter thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/red-letter/thesaurus/synonyms>. |
| MLA | Smart Define. "red-letter thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/red-letter/thesaurus/synonyms> |