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Definitions

once-in-a-lifetime

ADJECTIVE
special
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He previously said the vest was "the only lifejacket from a survivor to emerge at auction in 114 years so it is literally a once in a lifetime opportunity for collectors".

From BBC • Apr. 18, 2026

The camaraderie among the crew and the teams supporting them on the ground, she said, was a once in a lifetime privilege.

From The Wall Street Journal • Apr. 11, 2026

“It will be a once in a lifetime opportunity to watch Snoop, Reggie and Terry talk hoops with a side order of fun.”

From Los Angeles Times • Jan. 6, 2026

But what happened in Paris last spring might just have been once in a lifetime.

From The Wall Street Journal • Dec. 25, 2025

Jack had told her that sometimes, once in a lifetime or so, a coconut could make a pearl just the same way an oyster did, but Nim had never thought she’d see one.

From "Nim’s Island" by Wendy Orr