Adjective: straitlaced 'streyt'leyst
- Exaggeratedly proper
"my straitlaced Aunt Anna doesn't approve of my miniskirts";
- priggish, prim, prissy, prudish, puritanical, square-toed [archaic], strait-laced, straightlaced, straight-laced, tight-laced, victorian, bluenosed [US, informal], uptight [informal]
See also: proper