Word.ws English Dictionary

sleepiest

sleepiest is the superlative form of sleepy.

Meaning of sleepy

Adjective

sleepy (comparative sleepier, superlative sleepiest)

  1. Tired; feeling the need for sleep.
    • She wak'd her sleepy crew.1700, [John] Dryden, “Cymon and Iphigenia, from Boccace”, in Fables Ancient and Modern; […], London: […] Jacob Tonson, […], →OCLC
    Synonyms:
    tired
  2. Suggesting tiredness.
    • 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...1994, Stephen Fry, chapter 2, in The Hippopotamus
  3. Tending to induce sleep.
    • a sleepy drink or potion
  4. (figuratively) Dull; lazy.
    • 'Tis not sleepy business;
      But must be looked to speedily and strongly.1611 April (first recorded performance), William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard...
    Synonyms:
    heavy, sluggish
  5. (figuratively) Quiet; without bustle or activity.
    • a sleepy English village

See all 8 meanings of sleepy

Questions about sleepiest

What is sleepiest the superlative form of?
Sleepiest is the superlative form of sleepy.

Words near sleepiest in the dictionary

  1. sleepful
  2. sleepfully
  3. sleepfulness
  4. sleepier
  5. sleepies
  6. sleepiest
  7. sleepified
  8. sleepifies
  9. sleepify
  10. sleepifying
  11. sleepily

Source and license

Adapted from Wiktionary: sleepiest (page history and authors); sleepy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sleepiest.” Word.ws, https://word.ws/sleepiest. Based on Wiktionary, CC BY-SA 4.0.