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synonymous

[si-non-uh-muh s]
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adjective
  1. having the character of synonyms or a synonym; equivalent in meaning; expressing or implying the same idea.
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Origin of synonymous

1600–10; < Medieval Latin synōnymus < Greek synṓnymos, equivalent to syn- syn- + -ōnym- -onym + -os adj. suffix; see -ous
Related formssyn·on·y·mous·ly, adverbsyn·on·y·mous·ness, nounnon·syn·on·y·mous, adjectivenon·syn·on·y·mous·ly, adverbun·syn·on·y·mous, adjectiveun·syn·on·y·mous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for synonymous

synonymous

adjective
  1. (often foll by with) being a synonym (of)
  2. (postpositive foll by with) closely associated (with) or suggestive (of)his name was synonymous with greed
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Derived Formssynonymously, 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

Word Origin and History for synonymous

adj.

c.1600, from Medieval Latin synonymus, from Greek synonymos (see synonym). Related: Synonymously.

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Online Etymology Dictionary, © 2010 Douglas Harper