brainless
Americanadjective
adjective
Other Word Forms
Etymology
Origin of brainless
First recorded in 1400–50, brainless is from the late Middle English word braynles. See brain, -less
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“It just sounds pretty boring,” he says, and pushes a jeering mob of brainless sheep to repeat whatever he says.
From The Wall Street Journal ● Apr. 30, 2026
Former England fast bowler Steven Finn, commentating on TNT, said it was "completely brainless".
From BBC ● Jan. 4, 2026
Why do we love this story so much, enough to subject ourselves to even the weirdest, most brainless versions of it that can be spun from the public domain?
From Salon ● Dec. 24, 2025
A stunned England woke Sunday to savage criticism after their meek capitulation in the first Ashes Test, branded "brainless" and "damaged" by former greats after their cavalier approach backfired.
From Barron's ● Nov. 23, 2025
It was harder acting brainless than he’d imagined.
From "The House of the Scorpion" by Nancy Farmer
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
