The noun professional has 3 senses (first 3 from tagged texts)
1. (3) professional, professional person -- (a person engaged in one of the learned professions)
2. (1) professional, pro -- (an athlete who plays for pay)
3. (1) master, professional -- (an authority qualified to teach apprentices)
Overview of adj professional
The adj professional has 5 senses (first 5 from tagged texts)
1. (12) professional -- (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 professional cook"; "professional actors and athletes")
2. (11) professional -- (of or relating to or suitable as a profession; "professional organizations"; "a professional field such as law")
3. (6) professional -- (characteristic of or befitting a profession or one engaged in a profession; "professional conduct"; "professional ethics"; "a thoroughly professional performance")
4. (4) professional -- (of or relating to a profession; "we need professional advice"; "professional training"; "professional equipment for his new office")
5. (1) professional -- (engaged in by members of a profession; "professional occupations include medicine and the law and teaching")