brain·​less | \ ˈbrān-ləs How to pronounce brainless (audio) \

Definition of brainless

1 : devoid of intelligence : stupid a brainless decision
2 : not demanding understanding or intelligence : dull, stupefying a brainless task brainless repetition
3 : lacking a brain brainless organisms

Other Words from brainless

brainlessly adverb
brainlessness noun

Examples of brainless in a Sentence

He thought most of his coworkers were brainless. The plot of the new movie is brainless and the acting is terrible.
Recent Examples on the Web The cleaners might not have lungs, and the physiotherapist could be completely brainless. Rebecca Cairns; Video By Dan Tham, CNN, 25 Aug. 2021 Be Our Chef is a charmingly peppy, brainless half-hour. Robyn Bahr, The Hollywood Reporter, 26 Mar. 2020 Some amount of activity to stimulate conversation, but of the brainless variety. Amanda Sims Clifford, House Beautiful, 23 Apr. 2020 However, things quickly turned sour for the London side, after the ever-brainless Serge Aurier was sent off on the 30 minute mark following two quick bookings., 28 Sep. 2019 Desperate to meet women and open their own dance club, brainless brothers Steve and Doug Butabi cruise Beverly Hills. Los Angeles Times, 13 Sep. 2019 Exactly like junk food, some inputs feel good in the moment but take a toll over the long-term: gossip, brainless reality TV shows, jealousy-inducing social media posts, and mind-numbing small talk. Josh Linkner, Columnist, Detroit Free Press, 14 Dec. 2019 Desperate to meet women and open their own dance club, brainless brothers Steve and Doug Butabi cruise Beverly Hills. Los Angeles Times, 13 Sep. 2019 The Belgians haven't been helped in having sub-standard options at full-back supporting them, with Serge Aurier continuing to be brainless and Danny Rose being at fault for nearly a goal a game., 8 Oct. 2019 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brainless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of brainless

15th century, in the meaning defined at sense 1

Learn More About brainless

Time Traveler for brainless

Time Traveler

The first known use of brainless was in the 15th century

See more words from the same century

Dictionary Entries Near brainless



brain lock

See More Nearby Entries 

Statistics for brainless

Cite this Entry

“Brainless.” Dictionary, Merriam-Webster, Accessed 10 Aug. 2022.

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

More from Merriam-Webster on brainless

Nglish: Translation of brainless for Spanish Speakers


Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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