DROWSY

drowsy, oscitant, yawning

(adjective) showing lack of attention or boredom; “the yawning congregation”

drowsy, drowsing, dozy

(adjective) half asleep; “made drowsy by the long ride”; “it seemed a pity to disturb the drowsing (or dozing) professor”; “a tired dozy child”; “the nodding (or napping) grandmother in her rocking chair”

Source: WordNet® 3.1

Etymology

Adjective

drowsy (comparative drowsier, superlative drowsiest)

Inclined to drowse; heavy with sleepiness

Synonyms: lethargic, dozy

Causing someone to fall sleep or feel sleepy; lulling; soporific.

Boring.

Dull; stupid.

Source: Wiktionary

Drow"sy, a. [Compar. Drowsier; superl. Drowsiest.]

1. Inclined to drowse; heavy with sleepiness; lethargic; dozy. "When I am drowsy." Shak. Dapples the drowsy east with spots of gray. Shak. To our age's drowsy blood Still shouts the inspiring sea. Lowell.

2. Disposing to sleep; lulling; soporific. The drowsy hours, dispensers of all good. Tennyson.

3. Dull; stupid. " Drowsy reasoning." Atterbury.

Syn.

– Sleepy; lethargic; dozy; somnolent; comatose; dull heavy; stupid.

Source: Webster’s Unabridged Dictionary 1913 Edition