Dress primly
English: prim, prim up, prim out
primEnglish
prim, dainty, mincing, niminy-piminy, priggish
Verb
Assume a prim appearance
English: prim
Contract one's lips
English: prim
Adjective
Exaggeratedly proper
English: priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian
Affectedly dainty or refined
English: dainty, mincing, niminy-piminy, prim, twee