Word.ws English Dictionary

unslumbrous

unslumbrous adjective: sleepless.

Adjective

unslumbrous (comparative more unslumbrous, superlative most unslumbrous)

  1. (archaic, poetic) sleepless
    • How sickening, how dark the dreadful leisure
      Of weary days, made deeper exquisite,
      By a fore-knowledge of unslumbrous night!1818, John Keats, “Book I”, in Endymion: A Poetic Romance, London: […] T[homas] Miller, […] for Taylor and Hessey, […], →OCLC, page 1

Forms of unslumbrous

comparativemore unslumbrous
superlativemost unslumbrous

Origin of unslumbrous

From un- + slumbrous.

Questions about unslumbrous

What does unslumbrous mean?
Unslumbrous means sleepless.
What part of speech is unslumbrous?
Unslumbrous is an adjective.

Words near unslumbrous in the dictionary

  1. unsluices
  2. unsluicing
  3. unslumbering
  4. unslumberingly
  5. unslumberous
  6. unslumbrous
  7. unslung
  8. unslurped
  9. unslurred
  10. unslushy
  11. unslutty

Source and license

Adapted from Wiktionary: unslumbrous (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: “unslumbrous.” Word.ws, https://word.ws/unslumbrous. Based on Wiktionary, CC BY-SA 4.0.