Available Definitions:
1) a. - Lonely; solitary; desolate.
2) a. - Gloomy; dismal; foreboding.
3) a. - Mischievous; malignant; unpropitious.
4) a. - Gloomily angry and silent; cross; sour; affected with ill humor; morose.
5) a. - Obstinate; intractable.
6) a. - Heavy; dull; sluggish.
7) n. - One who is solitary, or lives alone; a hermit.
8) n. - Sullen feelings or manners; sulks; moroseness; as, to have the sullens.
9) v. t. - To make sullen or sluggish.