1 : rigidly accurate; allowing no deviation from a standard; "rigorous application of the law"; "a strict vegetarian"
2 : demanding strict attention to rules and procedures; "rigorous discipline"; "tight security"; "stringent safety measures"
3 : unsparing and uncompromising in discipline or judgment; "a parent severe to the pitch of hostility"- H.G.Wells; "a hefty six-footer with a rather severe mien"; "a strict disciplinarian"; "a Spartan upbringing"
4 : severe and unremitting in making demands; "an exacting instructor"; "a stern disciplinarian"; "strict standards"
