The definition for ethical is "Conforming to accepted standards." Used in a sentence: Mary did the ethical thing and turned in the diamond necklace she found. The definition for placebo is "an inactive substance used in medical testing.", the definition for pretense is "False intention or purpose.", and the definition for polarize is "To break up into opposing groups."

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 incongruous is "not harmonious, incompatible.", the definition for perception is "Capacity for seeing or understanding.", and the definition for civility is "Politeness."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for antidote is "something that relieves or counteracts.", the definition for derelict is "Abandoned.", and the definition for revive is "To bring back to life."

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 incongruous is "not harmonious, incompatible.", the definition for accommodate is "To give consideration to.", and the definition for flagrant is "Noticeably offensive."

The definition for mandate is "An official order or commission to do something." Used in a sentence: Martha reluctantly obeyed the mandate to vacate her apartment. The definition for opportune is "suitable or convenient.", the definition for scapegoat is "Someone who bears the blame for others.", and the definition for revoke is "To cancel by taking back."