A professional is a person in a profession that requires certain types of skilled work requiring formal training or education. In western nations, such as the United States, the ...

adjective . 1. following an occupation as a means of livelihood or for gain: a professional builder. 2. of, pertaining to, or connected with a profession: professional studies.

Professional sports, as opposed to amateur sports, are those in which athletes receive payment for their performance. While men have competed as professional athletes throughout ...

pro·fes·sion·al   (pr-f sh-n l) adj. 1. a. Of, relating to, engaged in, or suitable for a profession: lawyers, doctors, and other professional people.

professional adj. Of, relating to, engaged in, or suitable for a profession: lawyers, doctors, and other professional people