Competitor Competitor synonyms rival competitor and rival contestant competitor and contestant contender competitor and contender competition competitor and competition challenger competitor and challenger opponent competitor and opponent adversary competitor and adversary antagonist competitor and antagonist player competitor and player opposition competitor and opposition Full list of synonyms (342) Competitor antonyms ally competitor and ally associate competitor and associate helper competitor and helper noncompetitor competitor and noncompetitor partner competitor and partner Suggest antonym for Competitor Share this picture Share this image Share this picture Share this image