1
especial(adjective, great, famous, outstanding, noble)
1
excellent
1
famed(adjective, great, famous, outstanding, noble)
1
foremost(adjective, great, famous, outstanding, noble)
1
glorious(adjective, great, famous, outstanding, noble)
1
highly regarded(expression, adjective, great, famous, outstanding)
1
honored(adjective, great, famous, outstanding, noble)
1
hot(great, extraordinary, outstanding, notable)
1
ineffaceable
1
interesting(great, extraordinary, outstanding, notable)
1
lingering
1
material
1
meaningful(adjective, memorable)
1
name(adjective, great, famous, outstanding, noble)
1
nonpareil(adjective, great, famous, outstanding, noble)
1
noted(adjective, great, famous, outstanding, noble)
1
observable(great, extraordinary, outstanding, notable)
1
of mark
1
peerless(adjective, great, famous, outstanding, noble)
1
prestigious
10 years ago|11k views|share |citing 
APASmart Define. (2016). unforgettable thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unforgettable/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforgettable thesaurus" https://smartdefine.org/unforgettable/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unforgettable thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unforgettable/thesaurus/synonyms>.
MLASmart Define. "unforgettable thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/unforgettable/thesaurus/synonyms>