Open English Wordnet
Adjectives
(s)priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorianexaggeratedly proper“my straitlaced Aunt Anna doesn't approve of my miniskirts”
(s)blue, puritanic, puritanicalmorally rigorous and strict“puritanic distaste for alcohol”, “she was anything but puritanical in her behavior”, “blue laws”