PRISSIER
PRISSY
dainty, nice, overnice, prissy, squeamish
(adjective) excessively fastidious and easily disgusted; “too nice about his food to take to camp cooking”; “so squeamish he would only touch the toilet handle with his elbow”
priggish, prim, prissy, prudish, puritanical, square-toed, straitlaced, strait-laced, straightlaced, straight-laced, tight-laced, victorian
(adjective) exaggeratedly proper; “my straitlaced Aunt Anna doesn’t approve of my miniskirts”
Source: WordNet® 3.1
Adjective
prissier
comparative form of prissy
Source: Wiktionary