1. obdurate: adjective Definition:
unmoved by persuasion, pity, or tender feelings
stubbornly resistant to moral influence 
persistently impenitent

2. obdurate
pronunciation:
ob-doo-rit

3. obdurate
related forms:
noun
obdurateness
adverb
obdurately

4. obdurate synonyms: obstinate adamant stubborn callous inflexible
reprobate

5. obdurate
Even when faced with scathing criticism of management techniques, Amazon leaders and many employees were obdurate in their support of and loyalty to the company.

6. obdurate
The obdurate child refused to eat his meal.

7. obdurate
Obdurate in his refusal to grow up, Peter Pan remained the perennial child.

8. obdurately
In Wicked, Elphaba obdurately clings to her desire to be good as a child, but gradually becomes one of the most evil characters in literature.

9. obdurately
The mule obdurately refused to listen to direction.

10. obdurateness
In part, Steve Jobs owes his success to his obdurateness when facing critics of his unique marketing strategies.

11. obdurateness
Though she knew an apology was expected, her obdurateness rendered her reticent.