Adjective

• S: (adj) rigorous, strict (rigidly accurate; allowing no deviation from a standard) "rigorous application of the law"; "a strict vegetarian"
• S: (adj) hard-and-fast, strict ((of rules) stringently enforced) "hard-and-fast rules"
• S: (adj) nonindulgent, strict (characterized by strictness, severity, or restraint)
• S: (adj) rigid, strict (incapable of compromise or flexibility)
• S: (adj) stern, strict, exacting (severe and unremitting in making demands) "an exacting instructor"; "a stern disciplinarian"; "strict standards"