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 authoritarian is "favoring absolute obedience to authority.", the definition for avian is "Relating to birds.", and the definition for curtail is "To make less."

The definition for pretense is "False intention or purpose." Used in a sentence: The jewel thief entered the mansion under the pretense of fixing a leaky faucet. The definition for epitaph is "brief statement honoring a dead person.", the definition for civility is "Politeness.", and the definition for surplus is "Excess."

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 impenitent is "lacking remorse.", the definition for obnoxious is "Highly offensive.", and the definition for disdain is "Feeling of contempt."

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 lurid is "causing horror, shocking.", the definition for adversary is "One who opposes or resists.", and the definition for dubious is "Questionable."

The definition for condone is "To treat as acceptable." Used in a sentence: Crystal condoned her friend's late arrival because she found it hard to be on time herself. The definition for extol is "to praise highly.", the definition for flagrant is "Noticeably offensive.", and the definition for exception is "A case to which the rule does not apply."