obdurate

/-ət/

verb

Meaning

To harden; to obdure.

adjective

Meaning

Stubbornly persistent, generally in wrongdoing; refusing to reform or repent.
Physically hardened, toughened.
Hardened against feeling; hard-hearted.

Synonyms

hard-hearted,

hardened,

impertinent,

intractable,

recalcitrant,

unrepentant,

unyielding