Verbs

(v)primassume a prim appearance“They mince and prim”
(v)primcontract one's lips“She primmed her lips after every bite of food”
(v)prim, prim up, prim outdress primly

Adjectives

(s)mincing, niminy-piminy, prim, tweeaffectedly dainty or refined
(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”