piece of cake
Don't worry about the test—it'll be a piece of cake.
The speaker emphasizes the test will be extremely easy to pass.
something that is very easy to do
Fixing this computer is a piece of cake for him.
He finds it extremely easy to repair computers.
The driving test was a piece of cake after all that practice.
The test felt effortless due to prior preparation.
Used to describe tasks perceived as effortless, often in casual conversation.
Collocations
Related Phrases
Pro Tip
Avoid literal interpretation
Do not confuse this idiom with actual baking or eating. It always refers to the simplicity of a task, not desserts.
Gold Rule
Use for reassurance
This idiom is ideal for encouraging someone by emphasizing that a task will be effortless.
Word Origin
First recorded in the early 20th century; the phrase likely originates from the idea that eating a piece of cake is an effortless and enjoyable task. The idiom gained popularity in the 1930s–1940s, possibly influenced by American English slang.
Usage Notes
Primarily used in informal contexts to reassure someone about the simplicity of a task. Avoid using in formal writing unless quoting speech.