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once-in-a-lifetime. In DICTIOUS you will not only get to know all the dictionary meanings for the word
once-in-a-lifetime, but we will also tell you about its etymology, its characteristics and you will know how to say
once-in-a-lifetime in singular and plural. Everything you need to know about the word
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English
Adjective
once-in-a-lifetime (not comparable)
- Likely to happen only once in one's lifetime; extremely rare.
- Synonym: of a lifetime
- a once-in-a-lifetime opportunity to travel the world
2025 May 11, Nadeen Ebrahim and Abbas Al Lawati, “Trump is visiting three of the world’s richest nations. Here’s what’s on their wish list”, in CNN:With Trump in office, they see what one Gulf official called a “once-in-a-lifetime opportunity” to achieve his country’s objectives.
Translations
Likely to happen only once in one's lifetime
See also