Synonymic

syn·o·nym  (sn-nm)

n.

1. A word having the same or nearly the same meaning as another word or other words in a language.

2. A word or an expression that serves as a figurative or symbolic substitute for another.

3. Biology A scientific name of an organism or of a taxonomic group that has been superseded by another name at the same rank.

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[Middle English sinonyme, from Old French synonyme, from Latin synnymum, from Greek sunnumon, from neuter of sunnumos, synonymous; see synonymous.]

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syno·nymic, syno·nymi·cal adj.

syno·nymi·ty n.