once-in-a-lifetime

But overall, the prevailing narrative was that seeing “The Devils,” in this format and with a full crowd of fervent patrons, was a once-in-a-lifetime experience.

From Salon ● Oct. 22, 2026

"This is a once-in-a-lifetime event," said Bud Denker, Freedom 250 chairman and president of IndyCar owner Penske Corporation.

From Barron's ● Aug. 22, 2026

"What Mourinho did at Porto was a once-in-a-lifetime job," he said.

From BBC ● Aug. 12, 2026

“It’s going to be a once-in-a-lifetime experience,” said Bosco—though he is already planning for a repeat eclipse that will traverse Spain again next year.

From The Wall Street Journal ● Aug. 12, 2026

The unfairness of it, depriving us of this once-in-a-lifetime moment.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly