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
Merrill walked once Wednesday and twice Friday, giving him eight walks in a span of 43 plate appearances. Kevin Acee, San Diego Union-Tribune, 29 June 2025 This can be tough to compete with once these young professionals officially enter the workforce. Jill Shedek, Forbes.com, 17 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
  • On its face, the action was taken to close loopholes that in some cases allowed dozens of backyard apartments on formerly single-family-home lots.
    Michael Smolens, San Diego Union-Tribune, 22 June 2025
  • The Rancho Cordova Police Department said in a social media post on X, formerly Twitter, around 9:40 p.m. that southbound Sunrise Boulevard near Gold Country Boulevard was closed due to a vehicle accident and warned drivers to use an alternate route.
    Marcus D. Smith, Sacbee.com, 21 June 2025
Adjective
  • Rachel Zegler is starring in one of London’s hottest West End productions right now, as former first lady of Argentina Eva Perón, in Evita.
    Lily Ford, HollywoodReporter, 20 June 2025
  • Here’s where the focus lies on offense. QBs coach Mark Brunell: Hendon Hooker An obvious one here, but Hooker is the most important developmental task for Brunell — a former NFL QB himself.
    Colton Pouncy, New York Times, 20 June 2025
Adjective
  • The older elephants surround it, allowing the youngster to relax and play in the water while being protected from crocodiles lurking nearby.
    Cecilia Rodriguez, Forbes.com, 29 June 2025
  • In one scene, Agnes is wearing a pair of chunky combat boots, and old, worn pages of her thesis are taped to her window.
    Katy Waldman, New Yorker, 29 June 2025
Adjective
  • Wyden, Senate Democratic Leader Chuck Schumer (N.Y.) and other senior Democrats made parliamentarian inquiries on the floor Sunday afternoon to set up a later challenge to the Republican baseline.
    Alexander Bolton, The Hill, 29 June 2025
  • Owen shares other stories, including personal accounts of people who have passed away, to remember them and raise awareness about their deaths.
    Meredith Wilshere, People.com, 29 June 2025
Adjective
  • Trump’s reelection dashed the view that his first presidency was a mere aberration, and his second administration’s early, seismic actions on global trade, skepticism toward allies, and affection for erstwhile adversaries have already changed the United States’ role and image in the world.
    REBECCA LISSNER, Foreign Affairs, 24 June 2025
  • As an early example of this, Stephen Griffin, a constitutional law professor at Tulane Law School, points to the Quasi War, a limited naval conflict between the fledgling U.S. and its erstwhile Revolutionary War ally, France.
    Scott Neuman, NPR, 23 June 2025
Adjective
  • Yuki Matsui has surrendered three home runs in his past two outings.
    Kevin Acee, San Diego Union-Tribune, 28 June 2025
  • These are the exact same complaints about the season 1 VIPs, and while there is some speculation this is done on purpose to be campy like past genre films, that does not seem to be the case.
    Paul Tassi, Forbes.com, 28 June 2025
Adjective
  • 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
  • That’s because her daughter and sometime musical companion Willow had cooked up her own homebrew tribute to the Great White Way.
    Gil Kaufman, Billboard, 10 June 2025
Adjective
  • The company’s latest work, per Musk’s remarks, involves an entirely novel angle: enabling people with blindness to experience vision.
    Forbes.com, Forbes.com, 23 June 2025
  • By late 1974, the communal idealism had soured, undercut by cocaine, burnout, and turf wars among the crew.
    Noah Eckstein, HollywoodReporter, 23 June 2025

Cite this Entry

“Once.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/once. Accessed 5 Jul. 2025.

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