Synonyms of blackout

(Entry 1 of 2)

a temporary state of unconsciousness
  • even though you experienced only a brief blackout, you still ought to be checked by a doctor

Synonyms for blackout

Words Related to blackout

black out


Synonyms & Antonyms of black out (Entry 2 of 2)

2 to grow dark
  • with the delivery of the knockout punch, the screen blacks out, and in the next scene the boxer wakes up in the hospital

Synonyms for black out

Words Related to black out

Near Antonyms for black out

Antonyms for black out

3 to lose consciousness
  • blacked out after hitting her head on the beam

Synonyms for black out

Words Related to black out

Antonyms for black out

See the Dictionary Definition 

Keep scrolling for more

Learn More about blackout

Time Traveler for blackout

Time Traveler

The first known use of blackout was in 1824

See more words from the same year

Cite this Entry

“Blackout.” Thesaurus, Merriam-Webster, Accessed 25 Oct. 2020.

Keep scrolling for more

More from Merriam-Webster on blackout

Dictionary: Definition of blackout

Medical Dictionary: Definition of blackout

Nglish: Translation of blackout for Spanish Speakers Encyclopedia article about blackout

Comments on blackout

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


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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

Love words? Need even more definitions?

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