What context can I use each word in?
Learn when and how to use these words with these examples!
idiom
Example
It's raining cats and dogs outside. [idiom: figurative meaning of heavy rain]
Example
She spilled the beans about the surprise party. [idiom: figurative meaning of revealing a secret]
expression
Example
I'm feeling under the weather today. [expression: figurative meaning of feeling unwell]
Example
He's a chip off the old block. [expression: figurative meaning of resembling someone in character or appearance]
Good things to know
Which word is more common?
Expression is more commonly used than idiom in everyday language.
What’s the difference in the tone of formality between idiom and expression?
Expression can be used in both formal and informal contexts, while idiom is typically associated with informal language and may not be appropriate for formal situations.
