prissy in WordNet English dictionary

1. 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"
   dainty  nice  overnice  prissy  squeamish 
   
2. exaggeratedly proper
   "my straitlaced Aunt Anna doesn't approve of my miniskirts"
   priggish  prim  prissy  prudish  puritanical  square-toed  straitlaced  strait-laced  straightlaced  straight-laced  tight-laced  victorian 
   

prissy in English Wiktionary