one-time

American  

[wuhn-tahym] / ˈwʌnˌtaɪm /

Or onetime

adjective

1. having been as specified at one time; former.

   my one-time partners.

   Synonyms:

   past, previous

2. occurring, done, or accomplished only once.

   his one-time try at elective office.

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one-time British  

adjective

1. (prenominal) at some time in the past; former

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adverb

1. informal at once

Etymology

Origin of one-time

First recorded in 1880–85

Example Sentences

The problem, said Carvalho, has been substantially caused by the end of one-time COVID-relief aid and declining enrollment — drops not matched by a concurrently smaller workforce.

From Los Angeles Times

Stripping out certain one-time items, the company posted adjusted earnings of $1.03 a share.

From The Wall Street Journal

“We think some investors are dismissing higher tax refunds as a one-time benefit and short-term boost,” writes Baird analyst Jonathan Komp.

From Barron's

A bit of tinkering – stripping the original’s heavy bassline, tossing in his lithe falsetto and a playful guitar to hold everything aloft – made the one-time throwaway into something immortal.

From Salon

But seeing her one-time protégé wearing bib No. 13 made Street very worried.

From Los Angeles Times