supporterPronunciation: /səˈpɔːtə/Translate supporter | into French | into German | into Italian | into Spanish Definition of supporter noun 1a person who approves of and encourages a public figure, political party, policy, etc.:Labour supporters a person who is actively interested in and wishes success for a particular sports team:an Oxford United supporter 2 Heraldry a representation of an animal or other figure, typically one of a pair, holding up or standing beside an escutcheon. supporter in other Oxford dictionaries Definition of supporter in the US English dictionary