noun. a light two-wheeled vehicle for one person; drawn by one horse.
adjective. sullen or moody.
adjective. depressingly dark.
adjective. moving slowly.
1. Noun, singular or mass Draft horse enthusiasts compete in categories including antique plow, walking plow and two- and three-horse sulky -- that's a plow with a cart behind it so the plowman can ride. 2. Adjective Although passive-aggressive people seem to be compliant and cooperative, sulky and argumentative behaviors are their way of resisting.