Bible Dictionaries
Fiendish

Webster's Dictionary

(a.) Like a fiend; diabolically wicked or cruel; infernal; malignant; devilish; hellish.

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