o

noun

ˈō How to pronounce o (audio)
Definition of onext
as in zero
the numerical symbol 0 or the absence of number or quantity represented by it our zip code is six-o-three-seven-five

Synonyms & Similar Words

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Example Sentences

Recent Examples of Synonyms for o
  1. zero
  2. nothing
  3. nil
  4. aught
Noun
  • Each number is expressed with three additional zeroes, yet going from a million to a billion requires adding 999 million.
    — Clara Moskowitz, Scientific American, 21 Aug. 2026
  • The needle goes into the record, and the signal is continuous, and digital, of course, breaks it up into zeros and ones.
    — Chris O'Falt, IndieWire, 19 Aug. 2026
Definition of zero
Noun
  • While CinemaCon 2026 brought us exciting news about new films, it was also bogged down with status quo nothings about how Amazon MGM still hasn’t found a new James Bond.
    — Jason P. Frank, Vulture, 17 Apr. 2026
  • When Dana, who, like Virginia, had been successful in writing pleasant but undistinguished nothings—in her case, songs for Billy Rose’s revues—decided to try taking on more serious music by studying with Boulanger, Virginia entered a deep downward spiral.
    — Literary Hub, Literary Hub, 7 Jan. 2026
Definition of nothing
Noun
  • Another stunner was Brentford’s 3-nil win over Tottenham Hotspur.
    — Greg Cote August 23, Miami Herald, 23 Aug. 2026
  • Four-nil down at half-time, Mbappe started a ridiculous comeback.
    — James Horncastle, New York Times, 19 July 2026
Definition of nil
Noun
  • Jonah Kahn worked for one of these companies in the early aughts as a wholesaler.
    — Vito Emanuel, NPR, 25 Aug. 2026
  • Victoria’s Secret under CEO Hillary Super has doubled down on its authority as the go-to destination for bras and bra fittings—and recaptured some aughts nostalgia—riding that strategy to four consecutive quarters of growth.
    — Emma Hinchliffe, Fortune, 24 Aug. 2026
Definition of aught
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.

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Cite this Entry

“O.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/o. Accessed 26 Aug. 2026.

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