"priggish" in the adjective sense
1. priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian
exaggeratedly proper
"my straitlaced Aunt Anna doesn't approve of my miniskirts"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License