Bible Dictionaries
Obdurate

Webster's Dictionary

(1):

(v. t.) To harden.

(2):

(a.) Hardened in feelings, esp. against moral or mollifying influences; unyielding; hard-hearted; stubbornly wicked.

(3):

(a.) Hard; harsh; rugged; rough; intractable.

Bibliography Information
Webster, Noah. Entry for 'Obdurate'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/obdurate.html. 1828.