[ slee-ping ]
See synonyms for sleeping on
  1. the condition of being asleep.

  1. of, relating to, or having accommodations for sleeping: a sleeping compartment.

  1. used to sleep in or on: a sleeping jacket.

  2. used to induce or aid sleep or while asleep: sleeping mask.

Origin of sleeping

Middle English word dating back to 1250–1300; see origin at sleep, -ing1, -ing2

Other words from sleeping

  • un·sleep·ing, adjective

Words Nearby sleeping Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use sleeping in a sentence