<p><strong>Adjective:</strong></p><ul><li>actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.</li><li>engaged in by paid, part-time people: semiprofessional football.</li><li>having some features of professional work but requiring less knowledge, skill, and judgment: a semiprofessional job.</li></ul><p><strong>Noun:</strong></p><ul><li>a person who is active in some field or sport for pay on a part-time basis.</li></ul>