Obdurate
101uncontrollable — I adjective bullheaded, carried away, disobedient, disorderly, fractious, frenzied, headstrong, hysterical, impetuous, impotens, incorrigible, indocile, indomitable, insuppressible, insurgent, intractable, irrepressible, irresistable, lawless,… …
102unrelenting — I adjective adamant, austere, ceaseless, constant, continual, continuous, cruel, determined, diligent, endless, enduring, hard, immitis, implacable, incessant, inclement, indefatigable, inexorabilis, inexorable, inflexible, merciless, obdurate,… …
103unyielding — I adjective adamant, adamantine, constant, decided, dedicated, determined, devoted, enduring, faithful, firm, fixed, hard, headstrong, immobile, immovable, impliant, indomitable, inductile, inexorable, inflexible, intractable, intransigent,… …
104adamant — I (New American Roget s College Thesaurus) adj. adamantine, hard; inflexible, immovable, firm. See hardness, obstinacy. Ant., easygoing; yielding. II (Roget s IV) modif. Syn. fixed, inflexible, set, settled; see inflexible , resolute 2 . See… …
105callous — I (New American Roget s College Thesaurus) adj. horny, tough; unfeeling, insensitive, hardened. See hardness, insensibility. Ant., compassionate. II (Roget s IV) modif. Syn. unfeeling, insensitive, inured, hardened, unsusceptible, uncaring,… …
106hard — I (New American Roget s College Thesaurus) adj. firm, rigid (see hardness); unsympathetic, unloving, unfriendly, callous; strenuous, difficult, puzzling; severe, serious, short, intensive. See insensibility. Ant., soft. II (Roget s IV) modif. 1.… …
107inexorable — I (New American Roget s College Thesaurus) adj. unrelenting, unyielding, inflexible, firm. See severity. II (Roget s IV) modif. 1. [Implacable] Syn. unyielding, inflexible, obdurate; see cruel 2 , obstinate . 2. [Necessary] Syn. relentless,… …
108rigid — I (New American Roget s College Thesaurus) adj. stiff, inflexible, unyielding; set, firm, obdurate, strict; rigorous, clean cut. See hardness, severity, obstinacy. II (Roget s IV) modif. 1. [Stiff] Syn. unyielding, inflexible, hard; see firm 2 ,… …
109severe — I (New American Roget s College Thesaurus) adj. austerity, serious, earnest; rigorous, trying; harsh, strict; sharp, distressing, extreme. See severity, importance, adversity. Ant., relaxed, laissez faire. II (Roget s IV) modif. 1. [Stern] Syn.… …
110unrelenting — I (New American Roget s College Thesaurus) adj. relentless, inexorable, unyielding, rigorous, obdurate, remorseless, stern. See malevolence, vulgarity. II (Roget s IV) modif. Syn. cruel, merciless, pitiless; see ruthless 1 , 2 . III (Roget s… …
