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.

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Example Sentences

See Examples For:

piece of cake

I’ll give you a piece of cake, and you can give me some fruit.

From The Wall Street Journal ● Sep. 16, 2026

“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

She has now made a full recovery and said “the side-effects of chemo are a piece of cake compared to the side-effects of holistic ways of healing”.

From BBC ● Jul. 31, 2024

Mr. Lemoncello laughed and nodded toward the far side of the patio, where Andrew Peckleman and Sierra Russell were sharing a piece of cake and laughing.

From "Mr. Lemoncello's Library Olympics" by Chris Grabenstein

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Related Words

• cakewalk
• cinch
• no-brainer

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