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:
put on a brave face
Meaning:
to try to appear happy when faced with a bad situation
Example:
My friend put on a brave face even though he had lost his job.
List of common idioms, their meanings and examples of their usage in sentences
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.