Synonyms|7Antonyms|0|Broader|0Narrower|0Related|1
1
never-to-be-repeated(adjective, unique)
1
once in a lifetime
1
one-off
1
special(adjective, unique)
1
unbelievable(adjective, special)
1
unrepeatable(adjective, unique)
0
limited-edition(adjective, unique)
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APASmart Define. (2011). once-in-a-lifetime thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/once-in-a-lifetime/thesaurus/synonyms
ChicagoSmart Define. 2011. "once-in-a-lifetime thesaurus" https://smartdefine.org/once-in-a-lifetime/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2011, once-in-a-lifetime thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/once-in-a-lifetime/thesaurus/synonyms>.
MLASmart Define. "once-in-a-lifetime thesaurus" 23 May 2011. Web. 21 September 2026. <https://smartdefine.org/once-in-a-lifetime/thesaurus/synonyms>