(dialectal, chiefly Northern England and Scotland) Alternative form of sly

A surname.

plural of Slee

Used other than figuratively or idiomatically: see deep, sleep. / (rare, fiction) Artificially induced hibernation in humans for the purpose of long distance space travel.

present participle of sleep

Asleep. / Used for sleep; used to produce sleep.

The state of being asleep, or an instance of this.

(intransitive) To rest in a state of reduced consciousness. / (intransitive, of a spinning top or yo-yo) To spin on its axis with no other perceptible motion.

(uncountable) The state of reduced consciousness during which a human or animal rests in a daily rhythm. / (countable, informal) An act or instance of sleeping. / (informal, metonymically) A night.

Tired; feeling the need for sleep. / Suggesting tiredness. / Tending to induce sleep. / (figuratively) Dull; lazy. / (figuratively) Quiet; without bustle or activity.