66 entries under significant topic. ×

4
enduring(adjective, outstanding, remarkable, notable)
4
lasting(adjective, noteworthy)
3
indelible(adjective, memory, noteworthy, indestructible)
3
observable(adjective, unusual, important, famous, exceptional)
3
rubric(adjective, unusual, outstanding, serious)
3
super(adjective, unusual, important, wonderful, exceptional)
3
terrific(adjective, unusual, important, wonderful, exceptional)
2
hot(adjective, informal, extraordinary, unusual, important)
2
rememberable(adjective, noteworthy)
2
big(important, historic)
2
big-league(adjective, outstanding, serious, prominent)
2
consequential(adjective, important, lively, exciting)
2
considerable(important, historic, super-duper, mind-bending)
2
critical(adjective, important, lively, outstanding)
2
crucial(adjective, important, lively, outstanding)
2
decisive(adjective, important, lively, outstanding)
2
doozie(adjective, noteworthy)
2
fateful(important, lively, exciting, busy)
2
heavy(adjective, informal, unusual, important, famous)
2
interesting(adjective, noteworthy)
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APASmart Define. (2016). memorable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/memorable/thesaurus/synonyms
ChicagoSmart Define. 2016. "memorable thesaurus" https://smartdefine.org/memorable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, memorable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/memorable/thesaurus/synonyms>.
MLASmart Define. "memorable thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/memorable/thesaurus/synonyms>