- Definitions|0
- Thesaurus|331
- Abbreviations|1
14 entries under expression topic. ×
| exceedingly rare(originality, uniqueness) | |
| in very rare cases(originality, uniqueness, rareness) | |
| very rare(originality, uniqueness, rareness) | |
| unlikely to occur more than once(uniqueness, rareness) | |
| extremely rare | |
| rarely if ever(originality, uniqueness, rareness) | |
| very rarely(originality, uniqueness, rareness) | |
| by oneself(originality, uniqueness) | |
| one and only(originality, uniqueness) | |
| one in a million(originality, uniqueness) | |
| one in a thousand(originality, uniqueness) | |
| one of a kind(originality, uniqueness) | |
| one shot(originality, uniqueness) | |
| second to none(originality, uniqueness) |
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| APA | Smart Define. (-0001). once in a lifetime thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms |
| Chicago | Smart Define. -0001. "once in a lifetime thesaurus" https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define -0001, once in a lifetime thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms>. |
| MLA | Smart Define. "once in a lifetime thesaurus" 30 November -0001. Web. 27 September 2026. <https://smartdefine.org/once_in_a_lifetime/thesaurus/synonyms> |