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

Origin of no-brainer

First recorded in 1975–80 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for no-brainer

cinch, cakewalk, breeze, picnic, snap, pie, easy, pushover, velvet, walkover, waltz

Examples from the Web for no-brainer

Contemporary Examples of no-brainer

British Dictionary definitions for no-brainer



slang something which requires little or no mental effort
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

no-brainer in Culture


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.”

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.