relating or belonging to or engaged in a profession
characterized by or conforming to the technical or ethical standards of a profession
Professional licence, if carried too far, your chance of promotion will certainly mar — W S Gilbert
characterized by conscientious workmanship
did a professional job on the garden
of a person: taking part in an activity, esp a sport, as a paid occupation, as distinct from being an amateur
said of a person: taking part in an activity, esp a sport, as a paid occupation
said of an activity, esp a sport: in which the participants are paid
derog said of a person: habitually engaging in something
a professional agitator
professionally adv