brainlessness

noun

1
as in insanity
lack of good sense or judgment had the inexplicable brainlessness to sell his car for half of what it was worth

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms
2
as in stupidness
the quality or state of lacking intelligence or quickness of mind the turkey is one bird that has often been cited for its brainlessness

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for brainlessness
  1. insanity
  2. stupidness
  3. madness
  4. thickness
  5. simplicity
  6. stupidity
  7. absurdity
  8. mindlessness
Noun
  • Colt did not have any signs of insanity, schizophrenia or bipolar disorder, Richards said.
    — Danya Gainor, CNN Money, 28 July 2026
  • This case involved a client who, after years of competency litigation, was found not guilty by reason of insanity and committed to a state forensic hospital.
    — Schnelle Tonge, Sun Sentinel, 16 July 2026
Definition of insanity
Noun
  • In an email to Krebs, Valadon claimed that the repo’s commit logs show that GitHub’s default protections against committing secrets—protections designed to protect unwitting or unskilled developers against exactly this kind of stupidness—had been disabled by the repo’s administrator.
    — Lee Hutchinson, ArsTechnica, 19 May 2026
Definition of stupidness
Noun
  • Their win was a victory for method over the madness that always threatened to be Argentina’s undoing.
    — Oliver Kay, New York Times, 20 July 2026
  • Only readers can stop this madness, by turning their attention elsewhere.
    — Matthew Walther, The Atlantic, 20 July 2026
Definition of madness
Noun
  • The collection recreates the grain, density, and irregular character of the material through an interplay of textures and thicknesses.
    — Sofia Celeste, Footwear News, 23 July 2026
  • The titanium layers allowed Samsung to reduce the screen's thickness by 10% without sacrificing its performance.
    — Eric Zeman, PC Magazine, 22 July 2026
Definition of thickness
Noun
  • Apple's Bob Borchers emphasized the plan's simplicity and flexibility for customers.
    — David Phelan, Forbes.com, 27 July 2026
  • But Morton chafes against such stark and incriminating simplicity.
    — Angelica Jade Bastién, Vulture, 27 July 2026
Definition of simplicity
Noun
  • The stupidity and greed of the status quo threatens to drive her insane.
    — Literary Hub, Literary Hub, 21 July 2026
  • His eventual dismissal in second-half stoppage time was an exercise in rash stupidity, crashing through Spain’s teenage center back Pau Cubarsi.
    — Adam Crafton, New York Times, 20 July 2026
Definition of stupidity
Noun
  • All of this absurdity is underscored by the fact that James chose the Sixers.
    — Dana O’Neil, CNN Money, 24 July 2026
  • All sorts of factors—religious fervor, drug trips, the absurdities of aging—an unmoor a person’s mind and spirit.
    — Literary Hub, Literary Hub, 17 July 2026
Definition of absurdity
Noun
  • There’s the White House and its malicious megaphone of mindlessness; the generative AI advocates and their pushy, pathetic ploys; the Major League Baseball owners and their dedication to self-destruction.
    — Ben Travers, IndieWire, 20 Feb. 2026
  • The show’s real villain is mindlessness, in other words.
    — Shirley Li, The Atlantic, 5 Feb. 2026
Definition of mindlessness
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

brainless
brainlessness
brainpower
See all Nearby Words

Cite this Entry

“Brainlessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainlessness. Accessed 29 Jul. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of inveigle

See Definitions and Examples »

Popular in Grammar & Usage

See More

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

Why does English have so many silent letters?

Your vs. You're: How to Use Them Correctly
See More

Popular in Wordplay

See More

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
chain-question-mark
Missing Link Quiz July 2026 Five seconds to figure out the word that fits bot...
See All