Puritan
WordNet
adjective
(1) Morally rigorous and strict
"Blue laws"
"The puritan work ethic"
"Puritanic distaste for alcohol"
"She was anything but puritanical in her behavior"
noun
(2) A person excessively concerned about propriety and decorum
(3) Someone who adheres to strict religious principles; someone opposed to sensual pleasures
(4) A member of a group of English Protestants who in the 16th and 17th centuries thought that the Protestant Reformation under Elizabeth was incomplete and advocated the simplification and regulation of forms of worship
WiktionaryText
Proper noun
- A member of a particular Protestant religious sect.