A synonym is a word with an identical or very similar meaning to another word.
Synonym may also refer to:
Synonym (taxonomy), a different scientific name used for a single taxon Synonym (database), an alias or alternate name for a table, view, sequence, or other schema objects in a database Synonyms (film), a 2019 film Synonym (album), a 2026 album by Meshell Ndegeocello
Synonymous may refer to:
Synonymous substitution, an evolutionary substitution in a DNA sequence coding for a protein, such that the coded amino acid remains unmodified.