1. of profession: relating to or belonging to a profession professional people
2. following occupation as paid job: engaged in an occupation as a paid job rather than as a hobby professional tennis player
3. businesslike: conforming to the standards of skill, competence, or character normally expected of a properly qualified and experienced person in a work environment professional attitude
4. very competent: showing a high degree of skill or competence did a very professional job
5. doing something habitually: habitually, and usually annoyingly, indulging in a particular activity a professional complainer
noun (pluralpro·fes·sion·als)
Definition:
1. member of profession: somebody whose occupation requires extensive education or specialized training
2. somebody in skilled job: a worker in a paid occupation that usually requires a high degree of training and skill
3. somebody very competent: somebody with a high degree of skill or competence
4. teacher at sports club: an expert player of a sport who is employed by a golf or other sports club to teach its members