[noun] [C], [adjective] [not gradable] - (a member) of the parts of the Christian Church which separated from the Roman Catholic Church during the 16th centuryAt the age of thirty-three he became a Protestant (minister).She has been brought up with the Protestant work ethic (= the belief that work is valuable as an activity as well as for what it produces).
PROTESTANT
Meaning of PROTESTANT in English
Cambridge English vocab. Кембриджский английский словарь. 2012