English to English

noun (n)

• the taste experience when vinegar or lemon juice is taken into the mouth(noun.cognition)

  Synonym:
  sour, sourness
  

  source: wordnet30
• a sharp sour taste(noun.attribute)

  Synonym:
  acerbity
  

  source: wordnet30
• a rough and bitter manner(noun.attribute)

  Synonym:
  acerbity, acrimony, bitterness, jaundice, thorniness
  

  source: wordnet30
• The quality or state of being tart.(noun)

  source: webster1913