Unfaithfulness; lack of fidelity, loyalty, or honesty. Now archaic and rare.

Unfaithfulness, faithlessness.

As an attribute of persons: Falseness, deceitfulness, mendacity, faithlessness. Obsolete.

Faithlessness, inconstancy, treachery. Also an instance of this.

Unfaithfulness, treachery; = untruth, n. 1 (Common 1385–1450.)

Scottish. Disbelief, unbelief; unfaithfulness. Cf. mistroth, n. Obsolete.

The quality of being disloyal; unfaithfulness, falseness.

The quality of being unfaithful; lack of good faith or fidelity.

Unfaithfulness. (Common 1545–1625.)

Unfaithfulness or disloyalty to a person, e.g. to a sovereign, lord, master, friend, lover; esp., in modern use, to a husband or wife, called more…

= disloyalty, n.

= disloyalty, n.

Lack of fidelity; disloyalty, perfidy; unreliability, insincerity; untrustworthiness.

The quality of being recreant; apostasy, treachery; mean-spiritedness.

untrustworthy quality or character, faithlessness; (also) distrustfulness.

Unfaithfulness.