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Synonyms

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.


one-time British  

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. informal at once

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of one-time

First recorded in 1880–85

Explanation

Use the adjective one-time to mean "long ago" or "former." For example, a one-time movie star was famous in the past, but might not be recognized today. A one-time chess champion might have won competitions years and years ago. A one-time international spy may have had exciting adventures in her youth, although today she could very well be an unassuming elderly lady. The one-time star of a basketball team isn't anymore, and a one-time dog owner might have switched to keeping cats instead.

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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.

Stripping out certain one-time items, such as restructuring costs and effects from the sale of its Dickies brand last year, earnings were 0 cents a share.

From The Wall Street Journal • May 20, 2026

They will also continue to get Dominion’s current quarterly dividend through the completion of the deal alongside a one-time cash payment of $360 million.

From Barron's • May 18, 2026

Insight from former Manchester United manager Alex Ferguson and one-time teammate David Beckham, as well as a gripping soundtrack from one half of 1990s dance music legends Orbital, make it a compelling watch.

From Barron's • May 16, 2026

Earnings before interest, taxes, depreciation and amortization excluding one-time items—the company’s preferred profit metric—is forecast at between 5.7 billion and 6.1 billion euros, Merck said.

From The Wall Street Journal • May 13, 2026

So does too much rice, the one-time staple that in the postfamine era has become a food for the rich in North Korea.

From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden

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