Obdurate

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.]

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