inflexibility

the quality or state of being demanding or unyielding (as in discipline or criticism) the principal's inflexibility in matters of discipline is the stuff of school legend Synonyms exactingness, hardness, harshness, severity, rigidity, rigidness, rigor, rigorousness, sternness, strictness, stringencyRelated Words callousness, hard-heartedness, implacability, obduracy, obdurateness, pitilessness; dourness, gruffness; asceticism, austereness, austerity, monasticism; determination, firmness, resolve, steadfastness; obstinacy, stubbornnessNear Antonyms forbearance, indulgence, kindness, lenience, patience, softness, tenderness, tolerance; responsiveness, willingness; compliance, pliability, pliancyAntonyms flexibility, gentleness, laxness, mildness