прилагательное [литературно-книжное] 1) закоснелый; чёрствый; ожесточённый Синоним(ы): hard-hearted, inveterate 2) упрямый Синоним(ы): stubborn Синоним(ы): obstinate, unyielding, inflexible
adjective Etymology: Middle English, from Latin obduratus, past participle of obdurare to harden, from ob- against + durus hard — more at during 1. a. stubbornly persistent in wrongdoing b. hardened in feelings 2. resistant to persuasion or softening influences Synonyms: see inflexible • obdurately adverb • obdurateness noun