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zero - definition and synonyms


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noun zero pronunciation in American English /ˈzɪroʊ/
Word Forms
pluralzeros or zeroes
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  1. 1
    [countable/uncountable] maths the number 0

    If x is zero, y must be 3.

    Synonyms and related words
    1. a.
      [uncountable] a value equal to zero on a scale

      Set the timer to zero.

      Synonyms and related words
    2. b.
      [uncountable] the temperature at which water freezes in the Celsius system
      above/below zero:

      The temperature was forty below zero.

  2. 2
    [only before noun] used for showing that there is no amount at all of something

    We’re likely to see zero growth in the market this year.

    1. a.
      [uncountable] informal nothing at all

      Our chances of success are zero.

  3. 3
    [countable] informal an insulting word for someone who has no qualities that impress you

sea lion

in an online conversation, repeatedly asking a person questions which suggest that you are interested in what they are talking about, but are actually intended to annoy them

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