a. having the same or a similar meaning; identical; equivalent
Even Motel 6, a name synonymous with low rates, has LCD TVs and Wi-Fi.
Sentence in Classic:
Bounderby does not do you the injustice, and does not do himself the injustice, of pretending to anything fanciful, fantastic, or (I am using synonymous terms) sentimental.
Hard Times By Charles Dickens Context
Mercedes had never known misery; she had often, in her youth, spoken of poverty, but between want and necessity, those synonymous words, there is a wide difference.
The Count of Monte Cristo By Alexandre Dumas Context