From Longman Dictionary of Contemporary Englishsemi-professionalˌsemi-proˈfessional, semiprofessional /ˌsemiprəˈfeʃənəl◂/ (also semi-pro American English informal) adjective DSBOa semi-professional sports player, musician etc is paid for doing a sport, playing music etc, but does not do it as their main job a semiprofessional boxer —semi-professional (also semi-pro informal American English) noun [countable]
Examples from the Corpus
semi-professional• a semipro boxer• The regional championships last six months but most of the participants are minor, semi-professional clubs with no hope of winning.• But even the less dedicated of us, public and semi-professional, I think you could say that of us all really.• Once again, the league structure was to change, and the formation of a semi-professional super-league of five divisions was announced.• A modicum of semi-professional training defines the role as putting into practice a set of ideals inculcated in that training. 