I. adjective (sulkier; -est) Etymology: probably alteration of obsolete sulke sluggish Date: 1744
1. sulking or given to spells of sulking, relating to or indicating a sulk , having wheels and usually a seat for the driver , see: sullen sulkily adverb sulkiness noun
II. noun (plural sulkies) Etymology: probably from 1sulky; from its having room for only one person Date: 1756 a light 2-wheeled vehicle (as for harness racing) having a seat for the driver only and usually no body