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.
Buying Guide

Our team at The Usage has selected the best bedsheets of 2021.

Learn More About out like a light

Dictionary Entries Near out like a light

outlier

out like a light

outline

See More Nearby Entries 

Statistics for out like a light

Cite this Entry

“Out like a light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/out%20like%20a%20light. Accessed 21 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!