1. professional football football played for pay
  2. professional baseball playing baseball for money
  3. professional basketball playing basketball for money
  4. professional of or relating to or suitable as an occupation
  5. professional tennis playing tennis for money
  6. inevitable incapable of being avoided or prevented
  7. professionalism the expertness characteristic of a business person
  8. professional golf playing golf for money
  9. professionalization the social process whereby people come to engage in an activity for pay or as a means of livelihood
  10. professionally in a professional manner
  11. professionalisation the social process whereby people come to engage in an activity for pay or as a means of livelihood
  12. profound situated at or extending to great depth
  13. professional golfer someone who earns a living by playing or teaching golf
  14. professional association an association of practitioners of a given profession
  15. professional relation the relation that exists when one person requests and is granted professional help from a qualified source
  16. professional person a person engaged in one of the learned professions
  17. proficient having or showing knowledge and skill and aptitude
  18. professional wrestling wrestling for money
  19. personal foul a foul that involves unnecessarily rough contact
  20. professional dancer a performer who dances professionally