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:
let things slide
Meaning:
to ignore the things that one is supposed to do
Example:
Recently, I have let things slide and my apartment is very messy.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.