unyielding
131inflexible — I adjective adamant, cantankerous, changeless, contumacious, decided, determined, dogged, firm, fixed, hard, hardened, headstrong, immobile, immovable, immutable, impersuadible, impersuasible, indocile, indomitable, inelastic, inexorable,… …
132insusceptible — I (resistant) adjective able to withstand, capable of resisting, defended, fortified, having immunity, having resistance, immune, immunized, not sensitive to, protected, repellent, strengthened, strong, tough, unyielding II (uncaring) adjective… …
