Idioms
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.
Idiom:
a hard nut to crack
Meaning:
a person or thing not easily understood or influenced
Example:
Our boss is a hard nut to crack and he is not close to many people.
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.