professional [adj]
1. engaged in a profession or engaging in as a profession or means of livelihood; "the professional man or woman possesses distinctive qualifications"; "began her professional career after the Olympics"; "professional theater"; "professional football"; "a pro
2. of or relating to or suitable as a profession; "professional organizations"; "a professional field such as law"
3. characteristic of or befitting a profession or one engaged in a profession; "professional conduct"; "professional ethics"; "a thoroughly professional performance"
4. of or relating to a profession; "we need professional advice"; "professional training"; "professional equipment for his new office"
5. engaged in by members of a profession; "professional occupations include medicine and the law and teaching"
professional [noun]
1. a person engaged in one of the learned professions
2. an athlete who plays for pay
3. an authority qualified to teach apprentices
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