The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for combustion is "act of burning.", the definition for defiant is "Showing bold resistance.", and the definition for flaw is "An imperfection."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for benefactor is "one who offers financial help.", the definition for flaunt is "To display showily.", and the definition for cunning is "Showing clever insight."

The definition for repel is "To resist, reject." Used in a sentence: The soldiers made a massive charge to repel the invaders. The definition for exasperation is "the state of being irritated.", the definition for negate is "To make invalid.", and the definition for corroborate is "To support with evidence."

The definition for flaunt is "To display showily." Used in a sentence: Sheila, who could not resist bragging, flaunted the "A" marked on her test paper. The definition for inviolable is "secure from assault of trespass.", the definition for advantageous is "Giving an advantage.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for obnoxious is "highly offensive.", the definition for serenity is "Calmness.", and the definition for ethical is "Conforming to accepted standards."