Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
give (someone) the creeps
Meaning:
to make someone feel uncomfortable
Example:
The girl next door is very strange. She gives me the creeps.
List of common idioms, their meanings and examples of their usage in sentences
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.