adj. (often foll. by with) 1 having the same meaning; being a synonym (of). 2 (of a name, idea, etc.) suggestive of or associated with another (excessive drinking regarded as synonymous with violence). synonymously adv. synonymousness n.
SYNONYMOUS
Meaning of SYNONYMOUS in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012