The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for stifle is "to repress or discourage.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for futile is "Without purpose, completely ineffective."

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 absolve is "to forgive; to free from guilt.", the definition for indecorous is "In bad taste.", and the definition for gruff is "Rough or stern in manner or speech."

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 abate is "become less in amount or intensity.", the definition for rhapsody is "State of great happiness.", and the definition for elate is "To fill with joy."

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 curtail is "to make less.", the definition for demean is "To lower status.", and the definition for inflammatory is "Tending to excite anger."

The definition for oblivious is "Lacking awareness." Used in a sentence: Love–struck Charlie was oblivious to everyone but the object of his affection. The definition for immoderate is "beyond usual or proper limits.", the definition for opportune is "Suitable or convenient.", and the definition for appalling is "Inspiring dismay or disgust."