a person who has a good attitude about playing a game or having to do something: He was a very bad sport when he lost a game. Be a sport and take your little sister to the movies with you.SPORT | definition in the Cambridge English Dictionarydictionary.cambridge : dictionary : english : sport88 bet sportA sports enthusiast is someone who is really passionate and excited about sports.Enthusiast - Definition, Meaning & Synonyms - Vocabularyvocabulary : dictionary : enthusiast88 bet sport social bet aposta