puritanical in WordNet English dictionary

1. morally rigorous and strict
   "the puritan work ethic"; "puritanic distaste for alcohol"; "she was anything but puritanical in her behavior"
   blue  puritanic  puritanical 
   
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 
   
3. of or relating to Puritans or Puritanism
   puritanical