Here are the definitions:
ob·du·rate Pronunciation[ob-doo-rit, -dyoo-]
1. unmoved by persuasion, pity, or tender feelings; stubborn; unyielding.
2. stubbornly resistant to moral influence; persistently impenitent: an obdurate sinner.
[Origin: 1400–50; late ME obdurat < L obdūrātus (ptp. of obdūrāre to harden), equiv. to ob- ob- + dūr(us) hard + -ātus -ate1]
in·du·rate Pronunciation[v. in-doo-reyt, -dyoo-; adj. in-doo-rit, -dyoo-; in-door-it, -dyoor-] verb, -rat·ed, -rat·ing, adjective
–verb (used with object)
1. to make hard; harden, as rock, tissue, etc.: Cold indurates the soil.
2. to make callous, stubborn, or unfeeling: transgressions that indurate the heart.
3. to inure; accustom: to indurate oneself to privation and suffering.
4. to make enduring; confirm; establish: to indurate custom through practice.
–verb (used without object)
5. to become hard; harden.
6. to become established or confirmed.
7. hardened; unfeeling; callous; inured.