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 straddle is "to favor opposing sides.", the definition for refurbish is "To brighten or freshen.", and the definition for meticulous is "Extrememly careful regarding details."

The definition for extol is "To praise highly." Used in a sentence: The statesman extolled the ambassador who single–handedly negotiated the peace treaty. The definition for avian is "relating to birds.", the definition for refurbish is "To brighten or freshen.", and the definition for rail is "To scold in harsh language."

The definition for compulsion is "An irresistible impulse." Used in a sentence: Tamar, a shoe fanatic, could not resist the compulsion to buy the shiny red boots. The definition for ethical is "conforming to accepted standards.", the definition for clairvoyance is "Ability to see things beyond ordinary perception.", and the definition for turmoil is "Extreme confusion, agitation."

The definition for manifest is "Obvious." Used in a sentence: James finally made his affection manifest when he handed Jessica a red rose. The definition for preclude is "to rule out in advance.", the definition for flaw is "An imperfection.", and the definition for ploy is "A contrived plan."

The definition for incidental is "Minor." Used in a sentence: The accountant advised Justine not to report her incidental expenses. The definition for straddle is "to favor opposing sides.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for raucous is "Noisy, rowdy."