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1. Characterized by strictness, severity, or restraint
   - nonindulgent
    
2. Rigidly accurate; allowing no deviation from a standard
   "a strict vegetarian";
   - rigorous
    
3. (of rules) stringently enforced
   "strict rules";
   - hard-and-fast
    
4. Incapable of compromise or flexibility
   - rigid
    
5. Severe and unremitting in making demands
   "strict standards";
   - stern, exacting

Derived forms: strictest, stricter

See also: abstemious, austere, blue, corrective, demanding, disciplinal, disciplinary, exact, exacting, intolerant, invariable, monkish, puritanic, puritanical, renunciant, renunciative, self-abnegating, self-controlled, self-denying, self-disciplined, self-restraining, severe, spartan, stern

Antonym: indulgent

Encyclopedia: Strict