Idioms
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.
Idiom:
put the kibosh on (something)
Meaning:
to put an end to something
Example:
I put the kibosh on my friend's idea to change our travel plans.
List of common idioms, their meanings and examples of their usage in sentences
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.