The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for regurgitate is "to pour out or throw back.", the definition for heinous is "Shockingly evil.", and the definition for gargantuan is "Gigantic."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for drab is "dull, monotonous.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for disconcert is "To throw into confusion."

The definition for preclude is "To rule out in advance." Used in a sentence: "Having cake now will preclude dessert later," said Amber's mother. The definition for induce is "to influence or cause.", the definition for salvage is "To save from ruin.", and the definition for deferment is "The act of delaying."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for untenable is "not able to be defended.", the definition for supple is "Flexible.", and the definition for advantageous is "Giving an advantage."

The definition for interminable is "Never ending, or seemingly endless." Used in a sentence: The impatient Zoe found the longwinded lecture interminable. The definition for conduit is "means for transmitting or distributing.", the definition for comparable is "Similar, equivalent.", and the definition for pomp is "Showy display."