← BackshareGuesssomnolent/ˈsɑmnələnt/adjectiveDrowsy; sleepy or tending to cause sleepiness.The teacher's monotone voice had a somnolent effect on the class.A long, somnolent afternoon by the fireplace made everyone yawn.The somnolent cat barely opened its eyes when I walked in.SynonymsdrowsysleepylethargicAntonymsawakealert