adj. & n.
--adj. (sulkier, sulkiest)
1. sullen, morose, or silent, esp. from resentment or ill temper.
2 sluggish.
--n. (pl. -ies) a light two-wheeled horse-drawn vehicle for one, esp. used in trotting-races.
Derivatives:
sulkily adv. sulkiness n.
Etymology: perh. f. obs. sulke hard to dispose of