no-brainer

American  

[noh-brey-ner] / ˈnoʊˈbreɪ nər /

noun

1. Informal. anything requiring little thought or effort; something easy or simple to understand or do.

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no-brainer British  

/ ˌnəʊˈbreɪnə /

noun

1. slang something which requires little or no mental effort

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no-brainer Cultural  

1. Something that is absurdly simple or easy and requires little thought: “Making pumpkin pie can be a no-brainer if you use frozen pastry and canned filling.”

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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

See Examples For:

no-brainer

It’s a no-brainer for preflight convenience before or after a trip.

From The Wall Street Journal ● Aug. 7, 2026

It’s a good month for Disney+ programming — add Hulu and it becomes a no-brainer.

From MarketWatch ● Jul. 31, 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

“This is a no-brainer — this vacant lot has sat empty for decades,” Lee said in a statement.

From Los Angeles Times ● Jul. 13, 2026

Surely the crowd must know that this fight's going to be a no-brainer.

From "Legend" by Marie Lu

Related Words

• cakewalk
• cinch