Meaning of sullen

sul•len

Pronunciation: (sul'un), [key]
— adj.
  1. showing irritation or ill humor by a gloomy silence or reserve.
  2. persistently and silently ill-humored; morose.
  3. indicative of gloomy ill humor.
  4. gloomy or dismal, as weather or a sound.
  5. sluggish, as a stream.
  6. malignant, as planets or influences.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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