a piece of cake

/ə piːs əv keɪk/◆idiom
very easy

The math test was a piece of cake for her.

The math test was very easy for her.

◆ What It Really Means
A task that is very easy to accomplish with little effort.
Literal Meaning
A portion of a sweet baked dessert.
Literal Breakdown
aone+piece ofportion of+cakea sweet baked food
◇ Mental Image
The mental picture is of enjoying a delicious slice of cake without any difficulty, symbolizing ease.
◈ When to Use
Imagine someone finishing a complex task quickly and effortlessly. They might say, 'That was a piece of cake!' to emphasize how simple it was.
◉ Cultural Note
The phrase reflects the cultural association of cake with enjoyment and lack of effort, contrasting with the idea of hard work or struggle.
informal

Something that is very easy to do.

Fixing the printer was a piece of cake once you knew the trick.

Fixing the printer was very easy once you knew the trick.

Don't worry about the interview—it'll be a piece of cake.

Don't worry about the interview—it'll be very easy.

Commonly used in casual conversation to describe tasks or situations that require little effort.

Related Phrases

child's playidiom
something very easy
a walk in the parkidiom
something very easy
no sweatidiom
easy to do

Pro Tip

Usage Context

Use 'a piece of cake' to describe tasks that are simple or require little effort. It's best suited for informal conversations.

Gold Rule

Idiom vs. Literal Meaning

Never interpret 'a piece of cake' literally. It does not refer to actual cake but to the ease of a task.

Word Origin

The phrase likely originates from the idea that eating a piece of cake is an effortless and enjoyable task. It has been used in English since at least the mid-20th century.

Usage Notes

This idiom is informal and should be avoided in formal writing. It is widely understood in English-speaking countries.

Word Breakdown

a piece of
a portion of
phrase
+
cake
a sweet baked food
noun
English Dictionary
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