欲睡的
困倦的（sleepy的最高级）

Sleepy \Sleep"y\, a. [Compar. {Sleepier}; superl. {Sleepiest}.]
[AS. sl?pig. See {Sleep}, n.]
1. Drowsy; inclined to, or overcome by, sleep. --Shak.

She waked her sleepy crew. --Dryden.

2. Tending to induce sleep; soporiferous; somniferous; as, a
sleepy drink or potion. --Chaucer.

3. Dull; lazy; heavy; sluggish. --Shak.

'Tis not sleepy business;
But must be looked to speedily and strongly. --Shak.

4. Characterized by an absence of watchfulness; as, sleepy
security.

{Sleepy duck} (Zo["o]l.), the ruddy duck.