sour

adjective

  1. 1

    smelling of fermentation or staleness

  2. 2

    showing a brooding ill humor

    a dark scowl

    the proverbially dour New England Puritan

  3. 3

    inaccurate in pitch

    a false (or sour) note

    her singing was off key

  4. 4

    having a sharp biting taste

  5. 5

    in an unpalatable state

    sour milk

  6. 6

    one of the four basic taste sensations; like the taste of vinegar or lemons

noun

  1. 1

    the property of being acidic

  2. 2

    the taste experience when vinegar or lemon juice is taken into the mouth

  3. 3

    a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar

verb

  1. 1

    go sour or spoil

    The milk has soured

    The wine worked

  2. 2

    make sour or more sour

Synonyms

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