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:
keep (someone or something) still/quiet
Meaning:
to make someone or something silent or less noisy
Example:
The mother had a hard time keeping her child still in the airplane.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.