Dictionary

noun

Definitions

1. (strictly) A word whose meaning is the same as that of another word.

   Synonyms:equivalentpoecilonym
   Antonyms:antonymopposite

2. A word or phrase with a meaning that is the same as, or very similar to, another word or phrase.

   Example: “Happy” is a synonym of “glad”.

   Synonyms:metonym

3. Any of the formal names for a taxon, including the valid name (i.e. the senior synonym).

4. Any name for a taxon, usually a validly published, formally accepted one, but often also an unpublished name.