unslumbering

U1N1S1L1U1M3B3E1R1I1N1G2

adjective

Not slumbering; unsleeping.

“The teacher watched over his pupils with unslumbering vigilance.”

OriginEnglish slumbering ← Middle English un- ← Old English un- →
Scrabble 17
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

adjectiveunslumbering (not comparable)
  1. not comparableNot slumbering; unsleeping.

    The teacher watched over his pupils with unslumbering vigilance.

    1 more example

    […] much buffeted he on flood and field by constraint of Heaven and fell Juno’s unslumbering ire […]

    1918, Virgil, translated by John Jackson, Aeneid, Book I

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishslumbering
  9. Englishunslumbering

From un- + slumbering.

Full word history & related roots →
Cite this entry
APA

unslumbering. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/unslumbering

MLA

“unslumbering.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unslumbering. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “unslumbering,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/unslumbering.

Source: unslumbering on Wiktionary, CC BY-SA 4.0.