Non-amateur and Professional

Professional and non-amateur are semantically related In some cases you can replace term "Professional" with "Non-amateur", this terms are similar.

Professional adjective - Of or relating to or suitable as a profession.

Non-amateur and professional are semantically related in paid topic. You can use "Non-amateur" instead the word "Professional" as an adjective or a noun, if it concerns topics such as full-time, professional player.

Nearby Words: profession, professor, professed, professionalism, professionally