[ si-non-uh-muh s ]
/ sɪˈnɒn ə məs /


having the character of synonyms or a synonym; equivalent in meaning; expressing or implying the same idea.

Origin of synonymous

1600–10; < Medieval Latin synōnymus < Greek synṓnymos, equivalent to syn- syn- + -ōnym- -onym + -os adj. suffix; see -ous

OTHER WORDS FROM synonymous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for synonymous

British Dictionary definitions for synonymous

/ (sɪˈnɒnɪməs) /


(often foll by with) being a synonym (of)
(postpositive foll by with) closely associated (with) or suggestive (of)his name was synonymous with greed

Derived forms of synonymous

synonymously, adverbsynonymousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012