Somnolence
//ˈsɑm.nə.ləns// noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 A state of drowsiness or sleepiness. uncountable, usually
- 2 a very sleepy state wordnet
Antonyms
All antonymsEtymology
Borrowed from Middle French somnolence, from Late Latin somnolentia, derived from Latin somnus (“sleep”), from Proto-Indo-European *swépnos (“sleep, slumber”).
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.