Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.
Idiom:
paint oneself into a corner
Meaning:
to get into a bad situation that is difficult or impossible to get out of
Example:
My friend has painted himself into a corner now that he has begun to fight with his supervisor.
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.