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Definitions

no-brainer

[noh-brey-ner] / ˈnoʊˈbreɪ nər /
NOUN
duck soup
Synonyms
WEAK
a breeze a snap breeze cakewalk cherry pie child's play cinch easily accomplished task easy easy thing easy to do kid stuff no sweat picnic pie piece of cake pushover snap turkey shoot velvet walkover waltz
NOUN
high road
Synonyms
WEAK
direct route main road
NOUN
kid stuff
Synonyms
WEAK
easy thing
NOUN
piece of cake
Synonyms
STRONGEST
cakewalk cinch
WEAK
a snap breeze chickenfeed child's play duck soup kid stuff peanuts picnic pie snap

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’s a no-brainer from a mathematical standpoint: Take the deal.

From MarketWatch • Apr. 7, 2026

In Saudi's eyes, Salah is a huge asset as the number one Muslim footballer in the world and, in that sense, it is a no-brainer.

From BBC • Mar. 25, 2026

If this were Beijing, New Delhi or Hanoi, it would be a no-brainer.

From Los Angeles Times • Mar. 20, 2026

While opting for better performance may feel like a no-brainer, the answer is not as easy as it looks.

From Barron's • Mar. 17, 2026

That evolution should select for larger brains may seem to us like, well, a no-brainer.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari