Definify.com
Webster 1913 Edition
Sleepy
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 potionChaucer.
 3. 
Dull; lazy; heavy; sluggish. 
Shak.
 ’Tis not 
But must be looked to speedily and strongly.
sleepy 
business;But must be looked to speedily and strongly.
Shakespeare
4. 
Characterized by an absence of watchfulness; 
as, 
. sleepy 
securitySleepy duck 
(Zool.)
, the ruddy duck.
 Webster 1828 Edition
Sleepy
SLEE'PY
,Adj.
  1.
  Drowsy; inclined to sleep.2.
  Not awake.  She wak'd her sleep crew.3.
  Tending to induce sleep; soporiferous; somniferous; as a sleepy drink or potion.Definition 2025
sleepy
sleepy
English
Adjective
sleepy (comparative sleepier, superlative sleepiest)
-  Tired; feeling the need for sleep.
-  John Dryden
- She wak'd her sleepy crew.
 
 
 -  John Dryden
 -  Suggesting tiredness.
-  1994, Stephen Fry, The Hippopotamus Chapter 2
- At the very moment he cried out, David realised that what he had run into was only the Christmas tree. Disgusted with himself at such cowardice, he spat a needle from his mouth, stepped back from the tree and listened. There were no sounds of any movement upstairs: no shouts, no sleepy grumbles, only a gentle tinkle from the decorations as the tree had recovered from the collision.
 
 
 -  1994, Stephen Fry, The Hippopotamus Chapter 2
 -  Tending to induce sleep; soporific.
- a sleepy drink or potion
 
 -  Dull; lazy; heavy; sluggish.
-  William Shakespeare
-  'Tis not sleepy business;
But must be looked to speedily and strongly. 
 -  'Tis not sleepy business;
 
 -  William Shakespeare
 -  Quiet; without bustle or activity.
- a sleepy English village
 
 
Synonyms
- tired
 - See also Wikisaurus:sleepy
 
Translations
feeling the need for sleep
  | 
  | 
Noun
sleepy (uncountable)
-  (informal) The gum that builds up in the eye; gound.
-  1964, Ken Kesey, Sometimes a Great Notion
- "Did he always leave the sleepy in his eyes?" "Never removed it; let it build up in the comers of his eyes over the weeks until it was heavy enough to fall […]
 
 -  1991, Martin Amis, London Fields
- But the nightdress was heavy, the sleepy in her eyes was heavy, her hair (she made a mustache of one of its locks) was heavy and smelled of cigarettes […]
 
 
 -  1964, Ken Kesey, Sometimes a Great Notion