Nouns

(n)sulkya light two-wheeled vehicle for one person; drawn by one horse

Adjectives

(s)huffish, sulkysullen or moody
(s)sluggish, sulkyslow or slothful“a sluggish stream”
(s)glooming, gloomy, gloomful, sulkydepressingly dark“the gloomy forest”, “the glooming interior of an old inn”, “`gloomful' is archaic”