brainless

adjective
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

Keep scrolling for more

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 result is a film that’s almost sci-fi adjacent, and which clearly has a lot on its mind about how brainless, macho characterizations of manhood hurt everyone, and how violence perpetuates violence. Alissa Wilkinson, Vox, "Jesse Eisenberg on the “aspirational and also absurd” manliness in his new movie," 12 July 2019 Photo: Mark Brown/Getty Images To state the obvious: There’s a good chance this column is going to look brainless in a few weeks. Jason Gay, WSJ, "Beautiful Schadenfreude for Patriots Haters," 10 Dec. 2018 The kids drink, smoke, say horrible things about women and make brainless mistakes. Jason Gay, WSJ, "Jonah Hill Makes Directing Look Easy," 30 Oct. 2018 Based on the novels by Steve Alten, The Meg may be the Platonic ideal of a big, brainless summer movie: fun to watch and very easy to forget. Alissa Wilkinson, Vox, "Jason Statham and a colossal shark can’t save The Meg from a lifeless existence," 9 Aug. 2018 From Greg Brady’s surfing wipeout on The Brady Bunch to Joey falling for a hula dancer on Full House, depictions of Hawaii in popular culture have typically ranged from brainless to downright offensive. Annemarie Conte, Woman's Day, "I Took My Daughter to Hawaii to Teach Her How to Be a Better Traveler," 1 Aug. 2018 Not the brainless brutes of our imaginations, Neanderthals apparently used advanced hunting techniques to stalk and kill their prey, a new study suggests. Doyle Rice, USA TODAY, "How to hunt like a Neanderthal: Ancient humans got up close with their prey," 26 June 2018 Well, in the land of brainless politicians, even no-brainer pieces of legislation sometimes go nowhere. Heather Knight, SFChronicle.com, "Car break-in crackdown bill made perfect sense. California lawmakers killed it," 15 June 2018 In the last two decades, researchers have identified sleep-like behavior in fruit flies, tiny nematodes, and even a brainless jellyfish. Michael Greshko, National Geographic, "Brainless Creatures Can Do Some Incredibly Smart Things," 21 May 2018

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.

See More

First Known Use of brainless

15th century, in the meaning defined above

Keep scrolling for more

Learn More about brainless

Statistics for brainless

Last Updated

20 Jul 2019

Look-up Popularity

Time Traveler for brainless

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

See more words from the same century

Keep scrolling for more

More Definitions for brainless

brainless

adjective

English Language Learners Definition of brainless

informal : very stupid or silly

Keep scrolling for more

More from Merriam-Webster on brainless

Rhyming Dictionary: Words that rhyme with brainless

Thesaurus: All synonyms and antonyms for brainless

Spanish Central: Translation of brainless

Nglish: Translation of brainless for Spanish Speakers

Comments on brainless

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

WORD OF THE DAY

an act or instance of editing or removing

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

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!