once in a lifetime
Extremely rare, especially as an opportunity. For example, An offer like that will come just once in a lifetime. This phrase, often used hyperbolically, was first recorded in 1854. Also see of one's life.
Words nearby once in a lifetime
How to use once in a lifetime in a sentence
Once discovered, this maneuver did not endear the councilors to their constituents.
ROME — What does it take for a Hollywood A-lister to get a private audience with Pope Francis?Pope Francis Has the Pleasure of Meeting Angelina Jolie for a Few Seconds|Barbie Latza Nadeau|January 8, 2015|DAILY BEAST
My doctor insisted that once I filed this piece I lie down on my bed and not get out.I Tried to Warn You About Sleazy Billionaire Jeffrey Epstein in 2003|Vicky Ward|January 7, 2015|DAILY BEAST
Every once in a while, they act swiftly and acknowledge the problem.
Once I began reading, I realized A Gronking to Remember was a masturbatory tribute to the New England Patriots.‘A Gronking to Remember’ Speed Read: 8 Naughtiest Bits|Emily Shire|January 7, 2015|DAILY BEAST
He held it, but it was without pressure; without recognizance of the delight with which he once grasped it.The Pastor's Fire-side Vol. 3 of 4|Jane Porter
When his lordship retired early, as was his custom, the other men adjourned once more to the billiard-room.
As Spain, however, has fallen from the high place she once held, her colonial system has also gone down.
Each picture bore a label, giving a true description of the once-honoured gem.
Now-a-days it is the bankrupt who flouts, and his too confiding creditors who are jeered and laughed at.Glances at Europe|Horace Greeley