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US /ˈsɑːmnələnt/ UK /ˈsɒmnələnt/
Freq #170206

Meanings

  1. 1

Thesaurus

Synonyms
1 adj · causing literal or... dormitivehypnichypnoticslumberoussomniferoussomnificsomnolentsoporiferous
Word family
Forms somnolencesomnolently
Derived forms hypersomnolentinsomnolentsemisomnolentsomnolently

Simplified etymology

Somnolent comes ultimately from Latin somnus, “sleep.” Its early English meaning was “causing sleepiness,” rather than simply “sleeping.” The same root appears in insomnia, “lack of sleep,” and somnambulist, literally a sleepwalker.

Etymology

First attested in 1615. Borrowed from French somnolent, from Old French sompnolent, from Latin somnolentus, from somnus (“sleep”).

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