sə̇ˈnänəməs adjective
Etymology: Medieval Latin synonymus, from Greek synōnymos, from syn- + onyma, onoma name — more at name
1. : having the character of a synonym : alike or nearly alike in meaning
glad is synonymous with joyful
: capable of being substituted for another word or expression in a statement without essentially changing the statement's meaning
2. : having the same connotations, implications, or reference : suggesting the same thing — usually used with with
Newark has become virtually synonymous in the public mind with long-distance air travel — American Guide Series: New Jersey
believed that lack of knowledge of English is synonymous with stupidity — C.S.Stine
• syn·on·y·mous·ly adverb
• syn·on·y·mous·ness noun -es