📖 WordNook

sour

adjective
  1. smelling of fermentation or staleness
    rancid
  2. showing a brooding ill humor
    dark
  3. inaccurate in pitch
    “a false (or sour) note”
    false
  4. having a sharp biting taste
  5. in an unpalatable state
    “sour milk”
    off
  6. one of the four basic taste sensations
    salty
noun
  1. the property of being acidic
    sournessacidity
  2. the taste experience when vinegar or lemon juice is taken into the mouth
    sournesstartness
  3. a cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
verb
  1. go sour or spoil
    “The milk has soured”
    turn
  2. make sour or more sour
    acidifyacetifyacidulate