ADJ [usually verb-link ADJ](与…)关系紧密的;等同(于)…的;互为依存的 If you say that one thing is synonymous with another, you mean that the two things are very closely associated with each other so that one suggests the other or one cannot exist without the other. (与…)关系紧密的;等同(于)…的;互为依存的
Paris has always been synonymous with elegance, luxury and style. [+ with]
巴黎一直是优雅、奢华和时尚的代名词。
Going grey is not necessarily synonymous with growing old.
头发变白并不一定等于变老了。
In politics, power and popularity are not synonymous.