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
Nkrumah and Lumumba had once agreed, secretly, to form a Ghana-Congo federation. Kelefa Sanneh, New Yorker, 6 Oct. 2025 Now in their mid 30s they’re being forced to return home and finish high school once and for all. Ethan Shanfeld, Variety, 6 Oct. 2025
Adjective
You might be left with tiny scratches that make your once pristine appliances and surfaces look less than stellar. Patricia Shannon, Better Homes & Gardens, 28 Apr. 2025 The price target increases come as industry giant BYD last week announced ultra-fast charging technology, on top of its launch in February of driver-assist systems for a range of its cars — signaling the once niche feature is going mainstream. Evelyn Cheng, CNBC, 23 Mar. 2025 See All Example Sentences for once
Recent Examples of Synonyms for once
Adverb
  • Leslie Cheek’s formerly private estate opened as a public garden and fine art center in 1960 and today is host to nearly a dozen gardens surrounding the family’s Georgian mansion, which has become a museum.
    Austin Hornbostel, Nashville Tennessean, 3 Oct. 2025
  • Milwaukee's Office of Community Wellness and Safety was formerly known as the Office of Violence Prevention and is currently housed in the city's Department of Administration.
    David Clarey, jsonline.com, 3 Oct. 2025
Adjective
  • The firm appointed former US General and CIA Director David Petraeus as Chairman of KKR Middle East in April and formed a dedicated regional investment team.
    Mohammed Sergie, semafor.com, 9 Oct. 2025
  • Chinese Premier Li Qiang and former Russian President Dmitry Medvedev will have front row seats at the event which, according to satellite imagery of apparent rehearsals, could include a large-scale mass gymnastics performance.
    Helen Regan, CNN Money, 9 Oct. 2025
Adjective
  • People only 21 years or older are allowed to shop at Canna Bloom.
    Gina Lee Castro, jsonline.com, 3 Oct. 2025
  • Brake gently as needed - Brake normally if the vehicle has anti-lock brakes and pump brakes gently if in an older vehicle.
    CA Weather Bot, Sacbee.com, 3 Oct. 2025
Adjective
  • Analysts have raised the possibility that North Korea’s next-generation Hwasong-20 intercontinental ballistic missile (ICBM), its new Hwasong-11 Ma hypersonic glide vehicle, and other advanced weapons systems will be on display.
    Helen Regan, CNN Money, 9 Oct. 2025
  • An end to the fighting is expected to lead to rapid increases in the supply of food and other basic needs.
    Greg Myre, NPR, 9 Oct. 2025
Adjective
  • Worried that Dessalines’s enemies might eventually force upon him the same fate suffered by his erstwhile friend and ally, Christophe refused to be sworn into office.
    Marlene L. Daut September 22, Literary Hub, 22 Sep. 2025
  • Being able to generate code was finally getting a chance to shine in the bright lights of another erstwhile reason to use generative AI and LLMs.
    Lance Eliot, Forbes.com, 18 Sep. 2025
Adjective
  • Williams — joined by family members, current and past KU coaches, players and support staff — on Tuesday afternoon cut the ribbon on the room that bears his name.
    Gary Bedore, Kansas City Star, 8 Oct. 2025
  • Multiple FAs in past years have mentioned the reputation of the city, but there must be something else as well.
    Andrew Baggarly, New York Times, 7 Oct. 2025
Adjective
  • Among the travelling group was Penny Cuthbertson, a friend of Lucian’s and his sometime subject.
    Rebecca Mead, New Yorker, 8 Sep. 2025
  • Those two little words, your place, offer a first big hint as to the sometime-couple’s current status.
    Matt Webb Mitovich, TVLine, 4 Sep. 2025
Adjective
  • Bloodthirsty activist investors are on track to topple more CEOs in 2025 than ever before, according to Barclays’ latest quarterly review of shareholder activism.
    Nick Lichtenberg, Fortune, 8 Oct. 2025
  • While addressing her health and giving fans an update on her well-being, Dolly, 79, also spoke about how her late husband Carl Dean's illness and death affected her.
    Marina Watts, PEOPLE, 8 Oct. 2025

Cite this Entry

“Once.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/once. Accessed 9 Oct. 2025.

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