from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Sullenly aloof or withdrawn.
- adj. Gloomy; dismal: sulky weather.
- n. A light, open two-wheeled vehicle accommodating only the driver and drawn by one horse, used especially in harness racing.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. silent and withdrawn after being upset
- n. A low two-wheeled cart, used in harness racing.
- n. Any carriage seating only the driver.
from the GNU version of the Collaborative International Dictionary of English
- adj. Moodly silent; sullen; sour; obstinate; morose; splenetic.
- n. A light two-wheeled carriage for a single person.
from The Century Dictionary and Cyclopedia
- Silently resentful; dogged; morose; sullen; moody; disposed to keep aloof from society, or to repel the friendly advances of others.
- Stunted, or of backward growth: noting a condition of a plant, sometimes resulting from insect injury.
- Synonyms Morose, Splenetic, etc. (see sullen); cross, spleenish, perverse, cross-grained, out of humor.
- n. A light two-wheeled carriage for one person, drawn by one horse, commonly used for trials of speed between trotting-horses.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. depressingly dark
- n. a light two-wheeled vehicle for one person; drawn by one horse
- adj. moving slowly
- adj. sullen or moody
Perhaps alteration of obsolete sulke, sluggish, perhaps ultimately from Old English āsolcen, from past participle of āseolcan, to become sluggish.
From sulky1 (from its having only one seat).(American Heritage® Dictionary of the English Language, Fourth Edition)