a. 1. 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. “Pride, not personal, but professional.” Macaulay. “A professional sneerer.” De Quincey. [ 1913 Webster ]
2. Engaged in by professionals; as, a professional race; -- opposed to amateur. [ 1913 Webster ]
n. A person who prosecutes anything professionally, or for a livelihood, and not in the character of an amateur; a professional worker. [ 1913 Webster ]
adv. In a professional manner or capacity; by profession or calling; in the exercise of one's profession; one employed professionally. [ 1913 Webster ]
(adj) engaged in a profession or engaging in as a profession or means of livelihood, Ant.nonprofessional, Example: 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
(adj) characteristic of or befitting a profession or one engaged in a profession, Ant.unprofessional, Example: professional conduct; professional ethics; a thoroughly professional performance
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย
