one·​time | \ ˈwən-ˈtīm \

Definition of onetime

 (Entry 1 of 2)

1 : former, sometime a onetime actor
2 : occurring only once : one-shot



Definition of onetime (Entry 2 of 2)

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Synonyms & Antonyms for onetime

Synonyms: Adjective

one-off, one-shot

Synonyms: Adverb

erstwhile, formerly, once

Antonyms: Adjective

frequent, periodic, periodical, recurrent, recurring, regular, repeated, steady

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Examples of onetime in a Sentence


a onetime actor now turned singer with any luck, that was a onetime mistake


an athlete who onetime competed in marathons on a regular basis
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Recent Examples on the Web: Adjective

Five people, including Manafort’s onetime business partner, Richard Gates, have pleaded guilty. Rachel Weiner, The Seattle Times, "From six homes to a city jail: Paul Manafort, who redefined lobbying, faces trial Tuesday," 30 July 2018 That person, later identified as Kilimnik, has been described in filings as a onetime Russian intelligence officer. David Voreacos,, "Mueller Plays Hardball With Manafort, Sending a Message to Others," 5 June 2018 In 2017, the Wall Street Journal reported that the bank financed a deal involving Trump’s onetime partner to build the 65-story Trump International Hotel and Tower in Toronto. Time, "7 Questions That Are Still Unanswered One Year Into the Robert Mueller Investigation," 16 May 2018 The onetime crane operator bounced between states and suffered from delusions, sometimes talking about plans to marry Taylor Swift, friends and relatives told authorities. CBS News, "Waffle House reopens amid tears and solemn remembrance," 25 Apr. 2018 And onetime correctional officer Edgar Singleton Jr. is serving a 50-year sentence after being convicted of first-degree murder in a 2013 Indiana road-rage slaying. Steve Schmadeke,, "$70 million and counting? Cook County taxpayers face massive tab for sheriff board firings," 13 Mar. 2018 Not only is Tinsley Mortimer, the onetime queen of young New York society, back in Manhattan—she's set to star in the upcoming season of Real Housewives of New York City. Sam Dangremond, Town & Country, "Tinsley Mortimer Is Officially the Newest Real Housewife of New York City," 6 Mar. 2017 The current owner of Mr. Kennedy’s onetime home is Cathy Brentzel, a former securities attorney, who bought the home with her family in 2008 for $11.8 million, property records show. Katherine Clarke, WSJ, "Ted Kennedy’s Former Washington, D.C., Home Asks $22 Million," 1 Aug. 2018 Not far from the front sat Mr. Bush’s onetime political foe and late-life friend, former Sen. Bob Dole, a fellow World War II veteran. Gerald F. Seib, WSJ, "State Funeral for President George H.W. Bush Suggests It’s Possible to Unite as Well as Divide," 5 Dec. 2018

Recent Examples on the Web: Adverb

In the Place Where Prince Lived by Rebecca Bengal Photographer Alec Soth, Prince’s onetime next-door neighbor, takes writer Rebecca Bengal looking for the places Prince had called home. Vogue, "Our Favorite Longreads From 2018," 21 Dec. 2018 Simpson is buried next to her husband, the Duke of Windsor—and onetime King Edward VIII—in the Royal Burial Ground at Frogmore House. Chloe Foussianes, Town & Country, "Wallis Simpson Is Buried on the Grounds of Frogmore House, the Place Meghan Markle Will Soon Call Home," 9 Dec. 2018 Chris Webber and onetime Celtic Nate Robinson do just fine. Mark Feeney,, "In ‘Uncle Drew,’ Kyrie dribbles, Kyrie shoots, Kyrie acts," 27 June 2018 Four Americans were killed in the Sept. 11, 2012, Benghazi attack: Ambassador Christopher Stevens, State Department official Sean Smith and security officers Tyrone Woods and Glen Doherty, both onetime Navy SEALs. Fox News, "Benghazi mastermind sentenced to 22 years in prison on federal terrorism charges," 27 June 2018 The book casts its spell in revealing the whys and wherefores of the killings, as investigated by Burke’s onetime high school classmate, Rob Barrett, a Boston FBI agent whom Burke likes nothing better than to humiliate. Lloyd Sachs,, "Crime fiction to heat up your summer reading list," 21 May 2018 The rape charge involves a woman who has not come forward publicly; the other is a onetime aspiring actress who was among his first accusers. Colleen Long,, "Harvey Weinstein charged with rape, posts $1m bond," 25 May 2018 Sarah Ratley, a Mercury 13 member and onetime Power Puff Derby race pilot who was working as an AT&T electrical engineer when she was recruited by Lovelace, had a similar perspective. Lauren Valenti, Vogue, "Meet the Trailblazing Female Astronauts from Netflix’s “Mercury 13” Documentary," 24 May 2018 McGrory, a longtime columnist and onetime metro editor, was named to the top post in December 2012. Mark Arsenault,, "Globe investigating allegation top editor sent inappropriate text," 24 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'onetime.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of onetime


1850, in the meaning defined at sense 1


14th century, in the meaning defined above

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Statistics for onetime

Last Updated

13 Jan 2019

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Time Traveler for onetime

The first known use of onetime was in the 14th century

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More Definitions for onetime



English Language Learners Definition of onetime

: having been someone or something specified in the past

: done or happening only once


one·​time | \ ˈwən-ˌtīm \

Kids Definition of onetime

: former The onetime champ spoke to our group.

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More from Merriam-Webster on onetime

Rhyming Dictionary: Words that rhyme with onetime

Thesaurus: All synonyms and antonyms for onetime

Spanish Central: Translation of onetime

Nglish: Translation of onetime for Spanish Speakers

Comments on onetime

What made you want to look up onetime? Please tell us where you read or heard it (including the quote, if possible).


tremendous in size, volume, or degree

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