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
  • My number was a bother to my friends because of the two zeros.
    — Murr Brewster, Christian Science Monitor, 7 Aug. 2026
  • These machines can crunch numbers at blinding speeds—more than a quintillion (that’s a one followed by 18 zeroes) operations a second—assuming they can be fed data fast enough.
    — Iain Martin, Forbes.com, 6 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
  • Four-nil down at half-time, Mbappe started a ridiculous comeback.
    — James Horncastle, New York Times, 19 July 2026
  • As for the nil-nil draw between Curaçao and Ecuador, three days later, no doubt every sweating tackle will be etched into the consciousness of the seventy thousand spectators who packed into Kansas City Stadium.
    — Anthony Lane, New Yorker, 17 July 2026
Definition of nil
Noun
  • The latest revival gained serious momentum on Miu Miu’s Fall/Winter 2026 runway, where models wore nostalgic zigzag headbands reminiscent of the ones Lizzie McGuire made iconic in the early aughts.
    — Alyssa Rotunno, InStyle, 10 Aug. 2026
  • Back in the early aughts, former Toyota CEO Akio Toyoda wanted to show his company could hand-build a high-performance vehicle that could compete with the very best coming out of Germany and Italy.
    — Bryan Hood, Robb Report, 10 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 12 Aug. 2026.

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Nglish: Translation of o for Spanish Speakers

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