Idioms
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.
Idiom:
stamp out (something) or stamp (something) out
Meaning:
to destroy something completely, to make something disappear
Example:
The government is trying to stamp out smoking among teenagers.
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.