Out like a light Meaning in English
expression
Definition
Used to say someone fell asleep or became unconscious very quickly and completely. It can mean deep, instant sleep or fainting.
Usage & Nuances
Informal, used mostly in spoken English. Common after phrases like 'fall', 'went', or 'was'. It can mean either quick sleep (most common) or fainting, depending on context. Not literal; do not use in formal writing.
Example Sentences
After a long day at work, she was out like a light by 9 PM.
basic
The baby was out like a light as soon as his head hit the pillow.
basic
As soon as he sat down on the couch, he was out like a light.
basic
She was talking one minute, and the next she was out like a light.
natural
That medicine knocked him out like a light.
natural
When he fainted during the game, he was out like a light for a few minutes.
natural