Somnambulant Posted on July 6, 2021July 6, 2021 [ som-nam-byuh-leyt ] adjective resembling or characteristic of a sleepwalker; sluggish. Examples of somnambulant in a sentence: After a night of partying, Angie appeared to be in a somnambulant haze at work the next day. After taking his night medication, the somnambulant sleeper would end up eating ice cream while still asleep! Related