• IPA: /pɹəˈfɛʃənəl/

professional (plural professionals)

1. A person who belongs to a profession
2. A person who earns their living from a specified activity
3. A reputation known by name
4. An expert.
   • 1934, Rex Stout, Fer-de-Lance, 1992 Bantam edition, ISBN 0553278193, page 97:

     I have learned that there is a person attached to a golf club called a professional. Find out who fills that post at the Green Meadow Club; […] invite the professional, urgently, to dine with us this evening.

• Italian: professionista
• Portuguese: profissional
• Russian: профессиона́л
• Spanish: profesional, profesionista (Mexico)

• German: Profi, Professioneller, Professionelle
• Portuguese: profissional
• Russian: профессиона́л
• Spanish: profesional, profesionista (Mexico)

• French: professionnel, professionnelle
• German: Profi
• Portuguese: profissional
• Russian: профессиона́л

professional

1. Of, pertaining to, or in accordance with the (usually high) standards of a profession.
   • 1907, Robert William Chambers, chapter II, in The Younger Set, New York, N.Y.: D. Appleton & Company, OCLC 24962326 ↗:

     His forefathers had been, as a rule, professional men—physicians and lawyers; his grandfather died under the walls of Chapultepec Castle while twisting a tourniquet for a cursing dragoon; an uncle remained indefinitely at Malvern Hill; […].

2. That is carried out for money, especially as a livelihood.
3. (by extension) Expert.

• French: professionnel
• German: professionell, Beruf
• Italian: professionale
• Portuguese: profissional
• Russian: профессиона́льный
• Spanish: profesional

• German: berufsmäßig, professionell
• Portuguese: profissional
• Russian: профессиона́льный
• Spanish: profesional

• German: professionell
• Portuguese: profissional
• Russian: профессиона́льный