competitorPronunciation: /kəmˈpɛtɪtə/Translate competitor | into French | into German | into Italian | into Spanish Definition of competitor noun a person who takes part in a sporting contest: two competitors were banned for taking drugs an organization or country engaged in commercial or economic competition with others:our main industrial competitorsSpelling helpRemember that competitor ends with -or.competitor in other Oxford dictionaries Definition of competitor in the US English dictionary