synonym Definition

synonym
noun

1. A word having the same, or very nearly the same, meaning as another.

Derivative: synonymous

Having the same meaning.

Very closely associated in the mind.
Example: For some, football is synonymous with hooliganism
Thesaurus: like, similar, equivalent, identical, corresponding, alike, interchangeable, apposite, compatible; Antonym: conflicting, divergent.

Derivative: synonymy
noun

Etymology: 16c: from Greek syn with + onyma, a variant form of onoma name.