Definition for SOUR

SOUR, a. [Sax. sur, surig; G. sauer; D. zuur; Sw. sur; Dan. suur; W. sûr; Arm. sur; Fr. sur, sure; Heb. סור, to depart, to decline, to turn, as liquors, to become sour. See Class Sr, No. 16, and No. 11.]

  1. Acid; having a pungent taste; sharp to the taste; tart; as, vinegar is sour; sour cider; sour beer.
  2. Acid and austere or astringent; as, sun-ripe fruits are often sour.
  3. Harsh of temper; crabbed; peevish; austere; morose; as, a man of a sour temper.
  4. Afflictive; as, sour adversities. [Not in use.] – Shak.
  5. Expressing discontent or peevishness. He never uttered a sour word. The lord treasurer often looked on me with a sour countenance. – Swift.
  6. Harsh to the feelings; cold and damp; as, sour weather.
  7. Rancid; musty.
  8. Turned, as milk; coagulated.

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