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:
if looks could kill
Meaning:
used when someone makes an unfriendly look at someone or frowns at someone
Example:
If looks could kill, then the horrible way that the woman looked at me would have killed me immediately.
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.