OB'DURATE, a. [L. obduro, to harden; ob and duro.]
1. Hardened in heart; inflexibly hard; persisting obstinately in sin or impenitence.2. Hardened against good or favor; stubborn; unyielding; inflexible.The custom of evil makes the heart obdurate against whatsoever instructions to the contrary.3. Harsh; rugged; as an obdurate consonant. [Little used.]OB'DURATE, v.t. To harden. [Not used.]