KJV Dictionary Definition: unfaithful
unfaithful
UNFA'ITHFUL, a.
1. Not observant of promises, vows, allegiance or duty; violating trust or confidence; treacherous; perfidious; as an unfaithful subject; an unfaithful husband or wife; an unfaithful servant; an unfaithful bailee or agent.
2. Not performing the proper duty.
My feet through wine unfaithful to their weight -
3. Impious; infidel.
4. Negligent of duty; as an unfaithful workman.
unfaithfulness
UNFA'ITHFULNESS, n. Neglect or violation of vows, promises, allegiance or other duty; breach of confidence or trust reposed; perfidiousness; treachery; as the unfaithfulness of a subject to his prince or the state; the unfaithfulness of a husband to his wife, or of a wife to her husband; the unfaithfulness of an agent, servant or officer.