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Synonyms

piece of cake

Idioms  

  1. Something easily accomplished, as in I had no trouble finding your house—a piece of cake. This expression originated in the Royal Air Force in the late 1930s for an easy mission, and the precise reference is as mysterious as that of the simile easy as pie. Possibly it evokes the easy accomplishment of swallowing a slice of sweet dessert.

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.

Then again, if one’s chosen art seems especially out of reach, life is no piece of cake either.

From Los Angeles Times • Jan. 30, 2026

And no matter how it all shakes out, it’s inevitable that many people will continue to see everything as Netflix, although navigating all that content may not necessarily be a piece of cake.

From Salon • Dec. 10, 2025

So, sure, getting to $400 billion should be a piece of cake.

From MarketWatch • Nov. 7, 2025

A birthday party had just ended, and he was offered a piece of cake, chocolate with a jelly-bean rainbow arcing across the frosting.

From Slate • Jul. 22, 2025

I actually thought his quiet ways meant that it would be a piece of cake to ride him.

From "Life Is So Good" by George Dawson

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.