• To rest in a state of reduced consciousness.
  • To spin on its axis with no other perceptible motion.
  • To cause (a spinning top or yo-yo) to spin on its axis with no other perceptible motion.
  • To accommodate in beds.
  • To be slumbering in (a state).
  • To be careless, inattentive, or unconcerned; not to be vigilant; to live thoughtlessly.
  • To be dead; to lie in the grave.
  • To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant.
  • To wait for a period of time without performing any action.
  • To place into a state of hibernation.


  • The state of reduced consciousness during which a human or animal rests in a daily rhythm.
  • An act or instance of sleeping.
  • A night.
  • Rheum, crusty or gummy discharge found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of reduced consciousness).
  • A state of plants, usually at night, when their leaflets approach each other and the flowers close and droop, or are covered by the folded leaves.
  • The hibernation of animals.


Similar words

  • sleepies, bed booger(s), eye bogey(s), eye bogie(s), eye booger(s), eye crust, eye goop(s), eye gunk(s), eye sand, eye-snot, eye snot, sleepy booger(s)


  • From Middle English slepen, from Old English slǣpan, from Proto-West Germanic *slāpan, from Proto-Germanic *slēpaną.
  • From Middle English slepe, sleep, sleepe, from Old English slǣp ("sleep"), from Proto-West Germanic *slāp, from Proto-Germanic *slēpaz ("sleep").

Modern English dictionary

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