somnolent
[adjective]
Synonyms: soporific, narcotic, opiate, slumberous, somnifacient, somniferous, somnific, somnorific, soporiferous, soporifical, sleepy, dozy, drowsy, nodding, peepy, sloomy, slumbery, snoozy

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Related Words: inactive, passive, supine

[TahlilGaran] English Synonym Dictionary ▲

som‧no‧lent /ˈsɒmnələnt $ ˈsɑːm-/ adjective literary
[Date: 1400-1500; Language: Old French; Origin: Latin somnolentus, from somnus 'sleep']

1. almost starting to sleep Synonym : sleepy:
He lay quiet, somnolent after the day’s exertions.

2. making you want to sleep Synonym : soporific:
a somnolent summer’s afternoon
—somnolence noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲