puritanical

Meanings

• of or relating to Puritans or Puritanism
• exaggeratedly proper
• morally rigorous and strict
  • "she was anything but puritanical in her behavior"

Synonyms

blue, priggish, prim, prissy, prudish, puritanic, square-toed, straight-laced, straightlaced, strait-laced, straitlaced, tight-laced, victorian