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

In August, OpenAI gave some of its research and engineering staff a one-time bonus, with some employees receiving millions of dollars, The Wall Street Journal previously reported.

From The Wall Street Journal

Without the restructuring and other one-time charges stemming from the IPO and reorganization, Andersen said its operating business had $135 million of net income for the year, with no deductions for non-controlling interests.

From The Wall Street Journal

I know that I need financial advice, but I am unsure whether I should seek one-time guidance and self-manage my retirement funds, or pay an adviser an ongoing management fee.

From MarketWatch

Another California bill this year — which would have given students a one-time pass to register for courses, even if they owed a debt — failed after UC, CSU and private colleges and universities opposed it.

From Los Angeles Times

Pursuing a promotion should be an ongoing discussion, not a one-time ask.

From MarketWatch