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Meaning of vinegar

vin•e•gar

Pronunciation: (vin'i-gur), [key]
— n.
  1. a sour liquid consisting of dilute and impure acetic acid, obtained by acetous fermentation from wine, cider, beer, ale, or the like: used as a condiment, preservative, etc.
  2. a solution of a medicinal substance in dilute acetic acid, or vinegar.
  3. sour or irritable speech, manner, or countenance: a note of vinegar in his voice.
  4. vigor; high spirits; vim.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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