Professional vs. Professionalist: What's the Difference?

Professional and Professionalist Definitions
Professional
Of, relating to, engaged in, or suitable for a profession
Lawyers, doctors, and other professional people.
Professionalist
A person or organisation that supports a professional attitude.
He is a talented chef and a professionalist in the kitchen.
Professional
Conforming to the standards of a profession
Professional behavior.
Professionalist
A professional person.
Professional
Engaging in a given activity as a source of livelihood or as a career
A professional writer.
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Professionalist
Professional person.
Professional
Performed by persons receiving pay
Professional football.
Professional
Having or showing great skill; expert
A professional repair job.
Professional
A person following a profession, especially a learned profession.
Professional
One who earns a living in a given or implied occupation
Hired a professional to decorate the house.
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Professional
A skilled practitioner; an expert.
Professional
A person who belongs to a profession
Professional
A person who earns their living from a specified activity
Professional
A prostitute
Professional
A reputation known by name
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Professional
An expert
Professional
Of, pertaining to, or in accordance with the (usually high) standards of a profession.
Professional
That is carried out for money, especially as a livelihood.
Professional
(by extension) Expert.
Professional
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.
Professional
Engaged in by professionals; as, a professional race; - opposed to amateur.
Professional
A person who prosecutes anything professionally, or for a livelihood, and not in the character of an amateur; a professional worker.
Professional
A person engaged in one of the learned professions
Professional
An athlete who plays for pay
Professional
An authority qualified to teach apprentices
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
Professional
Of or relating to or suitable as a profession;
Professional organizations
A professional field such as law
Professional
Characteristic of or befitting a profession or one engaged in a profession;
Professional conduct
Professional ethics
A thoroughly professional performance
Professional
Of or relating to a profession;
We need professional advice
Professional training
Professional equipment for his new office
Professional
Engaged in by members of a profession;
Professional occupations include medicine and the law and teaching