strict strict /ˈstrɪkt/

adjective

1. () Rigidly accurate; allowing no deviation from a standard  ( rigorous , strict )
   rigidly accurate; allowing no deviation from a standard
    Rigorous application of the law
   rigorous application of the law
    A strict vegetarian
   a strict vegetarian
   
2. () (of rules) stringently enforced  ( hard-and-fast , strict )
   (of rules) stringently enforced
    Hard-and-fast rules
   hard-and-fast rules
   
3. Severe and unremitting in making demands  ( exacting , strict , stern )
   severe and unremitting in making demands
    An exacting instructor
   an exacting instructor
    A stern disciplinarian
   a stern disciplinarian
    Strict standards
   strict standards
   
4. Characterized by strictness, severity, or restraint  ( nonindulgent , strict )
   characterized by strictness, severity, or restraint
   
5. Incapable of compromise or flexibility  ( strict , rigid )
   incapable of compromise or flexibility