professˈional adjective

1. Of, belonging to or relating to a profession
2. Engaged in a profession or in the profession in question
3. Competing for money prizes or against those who sometimes do so
4. Undertaken as a means of subsistence, opp to amateur
5. Showing the skill, artistry, demeanour or standard of conduct appropriate in a member of a profession or of a particular profession
6. (of a foul, etc) deliberate, intended (to prevent the opposition from scoring) (euphemistic; sport)

1. Someone who makes his or her living by an art that is also practised at an amateur level
2. Someone who engages in sport for livelihood or gain or against those who do so (with various rules of interpretation for each sport), opp to amateur
3. A member of a profession
4. A person following a career
5. (in full, professional examination) any one of the successive examinations towards a degree in medicine (in Scottish universities)

professˈionalism noun

1. The status of professional
2. The competence or the correct demeanour of those who are highly trained and disciplined
3. The outlook, aim, or restriction of the mere professional
4. The predominance of professionals in sport

professionalizāˈtion or professionalisāˈtion noun

professˈionalize or professˈionalise transitive verb

1. To give a professional character to
2. To give over to professionals

professˈionally adverb

the oldest profession

Prostitution