out like a light

Adjective

Meaning

out like a light (not comparable)

(simile, colloquial) Asleep or unconscious, particularly if this has occurred suddenly and the sleep is deep.
Once she received anesthesia, she was out like a light.

Source: en.wiktionary.org

Synonyms

unconscious comatose snoring napping insensate drowsing slumbrous semiconscious out of it flat out slumbering dozing catnapping soporose soporous
Show all synonyms

Antonyms

sleepless wakeful aware conscious aroused awake
Show all antonyms

Close letter words and terms

out in the open out into the open out lap out line out loud out maneuvers