Definition of synonymous adjective from the Oxford Advanced American Dictionary

     

    synonymous

     adjective
    adjective
    NAmE//sɪˈnɑnəməs//
     
     
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  1. 1(of words or expressions) having the same, or nearly the same, meaning
  2. 2synonymous (with something) so closely connected with something that the two things appear to be the same Wealth is not necessarily synonymous with happiness.
synonymously
 
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adverb
See the Oxford Advanced Learner's Dictionary entry: synonymous