Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
make a clean sweep of (something)
Meaning:
to do or win something completely or thoroughly
Example:
The new political party made a clean sweep of the large cities during the election.
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.