- Definitions|2
- Thesaurus|244
- Abbreviations|0
| worthy of notice(expression, idiom, importance) | |
| worthy of remark(expression, idiom, importance) | |
| aristocratic(adjective, great, famous, outstanding, noble) | |
| imposing(adjective, great, famous, outstanding, noble) | |
| abiding | |
| appreciated(adjective, valued) | |
| awe-inspiring | |
| beloved(adjective, valued) | |
| cherished(adjective, remarkable, treasured, memorable, valued) | |
| choice | |
| classic | |
| consequential | |
| different | |
| distinctive | |
| doozie(great, extraordinary, outstanding, notable) | |
| epoch-making | |
| evocative | |
| first-class | |
| first-rate | |
| forgotten |
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| APA | Smart Define. (2016). unforgettable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unforgettable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unforgettable thesaurus" https://smartdefine.org/unforgettable/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, unforgettable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unforgettable/thesaurus/synonyms>. |
| MLA | Smart Define. "unforgettable thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/unforgettable/thesaurus/synonyms> |