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 placebo is "an inactive substance used in medical testing.", the definition for polarize is "To break up into opposing groups.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for methodical is "performed in an orderly manner.", the definition for trove is "Valuable collection.", and the definition for heinous is "Shockingly evil."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for apathetic is "showing little or no emotion.", the definition for fraud is "Trick.", and the definition for incisive is "Impressively direct and decisive."

The definition for rail is "To scold in harsh language." Used in a sentence: Clay began to cry as his irate manager railed at him for missing the deadline. The definition for recrimination is "a retaliatory accusation.", the definition for comprehensible is "Understandable.", and the definition for compulsion is "An irresistible impulse."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for cunning is "showing clever insight.", the definition for diffident is "Lacking self–confidence.", and the definition for beneficial is "Helpful."