Bible Dictionaries
Unfaithful

Webster's Dictionary

(1):

(a.) Not faithful; not observant of promises, vows, allegiance, or duty; violating trust or confidence; treacherous; perfidious; as, an unfaithful subject; an unfaithful agent or servant.

(2):

(a.) Not possessing faith; infidel.

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