(mot) de sens identique ou très voisin.
ETYM Greek; syn with, together + onom name.
(Of words) Meaning the same or nearly the same.
ETYM French synonyme, Latin synonyma, pl. of synonymum, Greek synonymon. Related to Synonymous.
Two words that can be interchanged in a context are said to be synonymous relative to that context; SYN. equivalent word.
Word having same meaning as another.