inflexible

I adjective adamant, cantankerous, changeless, contumacious, decided, determined, dogged, firm, fixed, hard, hardened, headstrong, immobile, immovable, immutable, impersuadible, impersuasible, indocile, indomitable, inelastic, inexorable, intractable, intransigent, invariable, mulish, nonelastic, obdurate, obstinate, obstinatus, opinionated, opinionative, persevering, pertinacious, pertinax, refractory, relentless, resolute, resolved, rigid, rigidus, rigorous, solid, steadfast, stiff, strict, stringent, strong-willed, stubborn, tenacious, unalterable, unamenable, unbending, unchangeable, uncompromising, unmalleable, unmanageable, unmovable, unpliable, unpliant, unrelenting, unswayable, unyielding, willful associated concepts: inflexible bargaining position II index callous, certain (positive), constant, decisive, definite, draconian, firm, formal, immutable, implacable, inexorable, insusceptible (uncaring), intractable, ironclad, irreconcilable, irrevocable, obdurate, orthodox, particular (exacting), peremptory (imperative), pertinacious, precise, provincial, recusant, relentless, resolute, restive, restrictive, rigid, ruthless, severe, solid (compact), staunch, steadfast, strict, stringent, strong, unaffected (uninfluenced), unalterable, unbending, uncompromising, unrelenting, unyielding, willful