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Betray :: Betray (v. t.) To prove faithless or treacherous to, as to a trust or one who trusts; to be false to; to deceive; as, to betray a person or a cause..

Proditory :: Proditory (a.) Treacherous.

Judas :: Judas (n.) The disciple who betrayed Christ. Hence: A treacherous person; one who betrays under the semblance of friendship.

Rotten :: Rotten (a.) Not firm or trusty; unsound; defective; treacherous; unsafe; as, a rotten plank, bone, stone..

Viper :: Viper (a.) A dangerous, treacherous, or malignant person..

Plot :: Plot (n.) Any scheme, stratagem, secret design, or plan, of a complicated nature, adapted to the accomplishment of some purpose, usually a treacherous and mischievous one; a conspiracy; an intrigue; as, the Rye-house Plot..

Unfaithful :: Unfaithful (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..

Fraudful :: Fraudful (a.) Full of fraud, deceit, or treachery; trickish; treacherous; fraudulent; -- applied to persons or things..

Double-faced :: Double-faced (a.) Deceitful; hypocritical; treacherous.

Assassinate :: Assassinate (v. t.) To kill by surprise or secret assault; to murder by treacherous violence.

Assassin :: Assassin (n.) One who kills, or attempts to kill, by surprise or secret assault; one who treacherously murders any one unprepared for defense..

Proditorious :: Proditorious (a.) Treacherous; perfidious; traitorous.

Subtle :: Subtle (superl.) Cunningly devised; crafty; treacherous; as, a subtle stratagem..

Insidious :: Insidious (a.) Lying in wait; watching an opportunity to insnare or entrap; deceitful; sly; treacherous; -- said of persons; as, the insidious foe..

False-hearted :: False-hearted (a.) Hollow or unsound at the core; treacherous; deceitful; perfidious.

Traitorly :: Traitorly (a.) Like a traitor; treacherous; traitorous.

Machination :: Machination (n.) That which is devised; a device; a hostile or treacherous scheme; an artful design or plot.

Falsely :: Falsely (adv.) In a false manner; erroneously; not truly; perfidiously or treacherously.

Treacherous :: Treacherous (a.) Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless.

Doublehearted :: Doublehearted (a.) Having a false heart; deceitful; treacherous.

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