Treacherousness.

Deceit, cheating, perfidy; violation of faith or betrayal of trust; perfidious conduct.

Villainy, treachery, perfidy.

Treachery, untruth; a falsehood.

Guile, deceit, treachery, perfidy. Obsolete.

= traitorhood, n.

The conduct or action of a traitor; treachery; treason.

Deceitfulness, duplicity, imposture. Also quasi-concrete a deceit, an imposture.

False or treacherous conduct; treachery, fraud. Obsolete.

Treachery, guile, deceit, trickery; prevarication.

The state or condition of a traitor; treachery.

Fraudulent action of any kind to the injury of another; fraud, deceit, treachery. archaic.

The quality of being traitorous; treachery.

treachery, faithlessness; bad faith.

The practice or principles of a traitor.

The quality of being treacherous.

The function or action of a traitor. In quot. 1645, ? the personality of a traitor.

Intent to deceive; insincerity, dishonesty; faithlessness, disloyalty; treachery. Now frequently in in bad faith. Cf. good faith, n., Punic faith n.…

treasonable quality or character.