Bible Dictionaries
Implacable

Webster's Dictionary

(1):

(a.) Not placable; not to be appeased; incapable of being pacified; inexorable; as, an implacable prince.

(2):

(a.) Incapable of ebign relieved or assuaged; inextinguishable.

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