35 entries under originality topic. ×

4
exceedingly rare(expression, uniqueness)
4
in very rare cases(expression, uniqueness, rareness)
4
very rare(expression, uniqueness, rareness)
3
rarely if ever(expression, uniqueness, rareness)
3
very rarely(expression, uniqueness, rareness)
1
special(adjective, uniqueness)
1
alone(adjective, uniqueness)
1
by oneself(expression, uniqueness)
1
exclusive(adjective, uniqueness)
1
individual(adjective, uniqueness)
1
lone(adjective, uniqueness)
1
matchless(adjective, uniqueness)
1
once-in-a-century(adjective, uniqueness)
1
once-in-a-lifetime(adjective, uniqueness)
1
one(adjective, uniqueness)
1
one and only(expression, uniqueness)
1
one in a million(expression, uniqueness)
1
one in a thousand(expression, uniqueness)
1
one of a kind(expression, uniqueness)
1
one shot(expression, uniqueness)
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APASmart Define. (-0001). once in a lifetime thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms
ChicagoSmart Define. -0001. "once in a lifetime thesaurus" https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define -0001, once in a lifetime thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms>.
MLASmart Define. "once in a lifetime thesaurus" 30 November -0001. Web. 30 September 2026. <https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms>