Main Entry: som·no·lent

Pronunciation: \-lənt\

Function: adjective

Etymology: Middle English sompnolent, from Anglo-French, from Latin somnolentus, from somnus sleep; akin to Old English swefn sleep, Greek hypnos

Date: 15th century

1 : of a kind likely to induce sleep <a somnolent sermon>
2 a : inclined to or heavy with sleep : drowsy b : sleepy 2 <somnolent rivers>

— som·no·lent·ly adverb