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professional

adjective
 
 /prəˈfeʃ·ə·nəl/

Definition

done as a job, or relating to a skilled type of work: a professional athlete professional sports He spent his professional career at the University of Pennsylvania. Professional also means having the qualities of skilled and educated people, such as effectiveness and seriousness of manner: Wearing jeans to work is not looked upon as being professional.
(Definition of professional adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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