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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.

“One day when I’m 40, I’ll be able to say, ‘That was a piece of cake.’

From Los Angeles Times • Dec. 15, 2025

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

From MarketWatch • Nov. 7, 2025

“It’s kind of like if you have a nice piece of cake and they bring it to us on a plate, we’re going to eat the cake,” Sanei said.

From Salon • Mar. 7, 2025

“This is the kind of place where you go to the polls and the workers will have a cookie or a piece of cake for you,” he said.

From BBC • Oct. 17, 2024

Compared to the other modifications Leo had made to the ship, the grabber arm was a piece of cake.

From "Blood of Olympus" by Rick Riordan

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.