out like a light

idiom

Definition of out like a light 

informal

1 : asleep As soon as my head hit the pillow, I was out like a light.

2 : unconscious He took one punch to the jaw and was out like a light.

Learn More about out like a light

Share out like a light

Dictionary Entries near out like a light

outlet pass

outlie

outlier

out like a light

outline

outlinear

outline map

Statistics for out like a light

Look-up Popularity

Comments on out like a light

What made you want to look up out like a light? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the setting in which something occurs

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!