I. ˌse-mē-prə-ˈfesh-nəl, ˌse-ˌmī-, -mi-, -ˈfe-shə-n ə l noun
Date: 1861
: one who engages in an activity (as a sport) semiprofessionally
II. adjective
Date: 1900
1. : engaging in an activity for pay or gain but not as a full-time occupation
2. : engaged in by semiprofessional players
semiprofessional baseball
• semi·pro·fes·sion·al·ly adverb