opposer opposeless • opposing · · · Info · Definitions · Synonyms · Characters · · opposer · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) someone who offers opposition. Synonyms: adversary, antagonist, opponent, resister. · · Noun Definition 1 Synonyms · · · adversary · · Synonym 1 antagonist · · Synonym 2 opponent · · Synonym 3 resister · · Synonym 4 Characters · · e latin small letter e U+0065 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073