SLEEPIER
SLEEPY
sleepy, sleepy-eyed, sleepyheaded
(adjective) ready to fall asleep; “beginning to feel sleepy”; “a sleepy-eyed child with drooping eyelids”; “sleepyheaded students”
Source: WordNet® 3.1
Adjective
sleepier
comparative form of sleepy
Source: Wiktionary
SLEEPY
Sleep"y, a. [Compar. Sleepier; superl. Sleepiest.] Etym: [AS. sl. 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 (Zoöl.), the ruddy duck.
Source: Webster’s Unabridged Dictionary 1913 Edition