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:
at first blush
Meaning:
when first seen, without careful study
Example:
At first blush the man seemed like a good worker but later he had many problems.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class