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sleep +‎ -y


  • (file)
  • IPA(key): /ˈsliːpi/
  • Rhymes: -iːpi


sleepy (comparative sleepier, superlative sleepiest)

  1. Tired; feeling the need for sleep.
    Synonyms: tired; see also Thesaurus:sleepy
  2. 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.
  3. Tending to induce sleep.
    Synonym: soporific
    a sleepy drink or potion
  4. (figuratively) Dull; lazy.
    Synonyms: heavy, sluggish
  5. (figuratively) Quiet; without bustle or activity.
    a sleepy English village
    • 2021 August 30, “Armed robbers take hostages in deadly bank raids in Brazil city”, in The Guardian[1]:
      Experts believe a pandemic welfare programme for poorer Brazilians has encouraged robbers to plan bold raids in sleepy regional cities where bank branches are storing more cash.



sleepy (uncountable)

  1. (informal) The gum that builds up in the eye; sleep, 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 []
    Synonym: (which see for more) sleep