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.”
n. an easy question that takes no thinking to answer; a simple problem that requires no intellect to solve; a dilemma that requires no pondering to resolve. : His proposal of marriage was a no-brainer. She turned him down flat on the spot.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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