'Sleepy' definitions:

Definition of 'sleepy'

(from WordNet)
adjective
Ready to fall asleep; "beginning to feel sleepy"; "a sleepy-eyed child with drooping eyelids"; "sleepyheaded students" [syn: sleepy, sleepy-eyed, sleepyheaded]

Definition of 'Sleepy'

From: GCIDE
  • Sleepy \Sleep"y\, a. [Compar. Sleepier; superl. Sleepiest.] [AS. sl?pig. See Sleep, n.]
  • 1. Drowsy; inclined to, or overcome by, sleep. --Shak. [1913 Webster]
  • She waked her sleepy crew. --Dryden. [1913 Webster]
  • 2. Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion. --Chaucer. [1913 Webster]
  • 3. Dull; lazy; heavy; sluggish. --Shak. [1913 Webster]
  • 'Tis not sleepy business; But must be looked to speedily and strongly. --Shak. [1913 Webster]
  • 4. Characterized by an absence of watchfulness; as, sleepy security. [1913 Webster]
  • Sleepy duck (Zool.), the ruddy duck. [1913 Webster]

Synonyms of 'sleepy'

From: Moby Thesaurus