no-brainer
Americannoun
noun
Etymology
Origin of no-brainer
First recorded in 1975–80
Explanation
An obvious conclusion or an easy decision is a no-brainer. Adding 2 + 2 is a no-brainer, and so is the decision to accept a generous scholarship. The informal no-brainer describes choices that are so clear they're hardly even choices: they require almost no thought, since one alternative is obviously better. Saying yes to the the prize of a trip for four to Disney World is a no-brainer, and when you're shopping for a new laptop, buying the one with more memory that's less expensive is a no-brainer. No-brainer stems from the idea that it doesn't take brains to make a decision so simple.
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 was the no-brainer to put Charley first," said Nordqvist.
From BBC ● Sep. 13, 2026
That means that if the availability of electricity comes into question, abandoning old chips may become a no-brainer.
From The Wall Street Journal ● Aug. 18, 2026
Carlo Arcilla, former director of the Philippine Nuclear Research Institute, told AFP reintroducing nuclear energy into the conversation was a "no-brainer".
From Barron's ● Jul. 27, 2026
Refinancing to an ARM seemed like a no-brainer, he said.
From MarketWatch ● Jul. 22, 2026
For a side dish, sweet corn was a no-brainer.
From "The Omnivore's Dilemma" by Michael Pollan
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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.