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.
For an intelligent man, it was a howlingly brainless offence.
From BBC ● Mar. 7, 2026
In the aftermath, England was slammed as "brainless" and even "arrogant" by former greats for their meek performance after putting themselves in a strong position to win.
From Barron's ● Nov. 29, 2025
Meme coins spawned on sites like Pump.fun, where the awful and the brainless alike became speculative fodder.
From The Wall Street Journal ● Nov. 21, 2025
I'm not saying that bombast is automatically brainless.
From Salon ● Apr. 28, 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.
