Professional1. (a.) Of or pertaining to a profession, or calling; conforming to the rules or standards Of a profession; following a profession; as, professional knowledge; professional conduct.
2. (a.) Engaged in by professionals; as, a professional race; -- opposed to amateur.
3. (n.) A person who prosecutes anything professionally, or for a livelihood, and not in the character of an amateur; a professional worker.
Thesaurus Entries
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