Source : WordNet®

straight-laced
     adj : exaggeratedly proper; "my straitlaced Aunt Anna doesn't
           approve of my miniskirts" [syn: {priggish}, {prim}, {prissy},
            {prudish}, {puritanical}, {square-toed}, {straitlaced},
            {strait-laced}, {straightlaced}, {tight-laced}, {victorian}]