once 1 of 3

as in formerly
at an earlier or previous time I once knew the quotation, but time has taken its toll on my brain cells

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Antonyms & Near Antonyms

once

2 of 3

adjective

once

3 of 3

conjunction

as in when
just at the moment that you should have stopped wrestling once you knew someone was getting hurt, not five minutes later

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of once
Adverb
Continue to deadhead dahlias throughout their blooming season, as often as once a week, to maximize their flower production. Karen Brewer Grossman, Southern Living, 11 July 2025 As a teenager, Jeff and his family moved once again, this time settling down in Florida. Alex Gurley, People.com, 29 June 2025
Adjective
But Smith also had some choice words for the once and future president. Dave Goldiner, New York Daily News, 14 Jan. 2025 For Silver, there can no peace until the new school, and the resurgence of Cobra Kai headed by his once friend and now nemesis Kreese, gets some payback. Demetrius Patterson, The Hollywood Reporter, 3 Sep. 2019 See All Example Sentences for once
Recent Examples of Synonyms for once
Adverb
  • Jacobs works with a coach—formerly a professional athlete—who has shaped his thinking on leadership and life.
    Laura Begley Bloom, Forbes.com, 15 July 2025
  • What To Know According to photos shared by a Japanese aircraft spotter on X (formerly Twitter) and a report by Japanese media, a group of four U.S. Air Force fighter jets comprising a pair of F-15EX jets, an F-15E jet and an F-16C jet—arrived at Kadena Air Base on Saturday.
    Ryan Chan, MSNBC Newsweek, 14 July 2025
Adjective
  • Immigration attorneys said that ICE is targeting those who have been in the country less than two years, those with deportation orders and those enrolled in former President Joe Biden’s parole program.
    Livi Stanford, Hartford Courant, 14 July 2025
  • Singer and actress Dua Lipa and American actor turned racer Patrick Dempsey were spotted at the event, while popular F1 names included Williams team principal James Vowles, McLaren CEO Zak Brown, former F1 CEO Bernie Ecclestone, and the Haas F1 team.
    Saajan Jogia, MSNBC Newsweek, 14 July 2025
Adjective
  • Patrick O’Connor, curator of vertebrate paleontology at the Denver Museum of Nature and Science, told AP this may be Denver’s deepest and oldest find yet.
    Ashley J. DiMella, FOXNews.com, 11 July 2025
  • Cape Florida Light The Cape Florida Light, in Bill Baggs Cape Florida State Park on the tip of Key Biscayne, is the oldest lighthouse in the state.
    AFAR Media, AFAR Media, 11 July 2025
Adjective
  • But once those issues were resolved, random drop-in visits from Social Services workers over the next decade yielded no citations or other issues.
    Karen Kucher, San Diego Union-Tribune, 12 July 2025
  • This is one of the countless reasons the Secret Service prides ourselves on forging and maintaining relationships with other law enforcement agencies.
    Jasmine Baehr, FOXNews.com, 12 July 2025
Adjective
  • But the real question is what kind of concrete retribution Trump could try to exact on his erstwhile political ally and campaign donor.
    Alexei Oreskovic, Fortune, 7 July 2025
  • On the way to the Fordyce’s second floor, the erstwhile opulence along Bathhouse Row becomes evident.
    Arkansas Online, Arkansas Online, 30 June 2025
Adjective
  • Much of the Fusion’s back half looked as if it’d been sheared off, the muffler, the spare tire, and the fuel door the clearest surviving indications of its past form.
    Fort Worth Star-Telegram, Fort Worth Star-Telegram, 10 July 2025
  • In the same way, effective project management requires learning from past initiatives and applying those insights to improve forecasting accuracy—a skill that becomes increasingly valuable as projects grow in complexity and stakeholder expectations rise.
    Sarah Edwards, Forbes.com, 10 July 2025
Adjective
  • The five new unplugged versions were produced and mixed by band songwriter/guitarist and sometime singer Noel Gallagher and Callum Marinho from the original master recordings at Gallagher’s London Lone Star Sound studio, according to a release announcing the project.
    Gil Kaufman, Billboard, 2 July 2025
  • Toss in his old girlfriend Lucy and her sometime boyfriend and former cop Chuck Littlefield, and enjoy the ride in this sweet, sharp book.
    Ashley Baker, Air Mail, 7 June 2025
Adjective
  • But according to the actor, late friend Quincy Jones always knew that more kids were in his future.
    Hannah Dailey, Billboard, 15 July 2025
  • Trump has pointed to relatively low inflation and good employment numbers as reasons to cut sooner, saying the Fed has been too late to act and is holding back the American economy.
    Shane Croucher, MSNBC Newsweek, 15 July 2025

Cite this Entry

“Once.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/once. Accessed 20 Jul. 2025.

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