The definition for revoke is "To cancel by taking back." Used in a sentence: After Kal's father revoked his allowance, he had no money for the movies. The definition for oblivious is "lacking awareness.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for indecorous is "In bad taste."

The definition for untenable is "Not able to be defended." Used in a sentence: Rashid made the untenable statement that George Washington was the second president of the United States. The definition for stifle is "to repress or discourage.", the definition for inauspicious is "Not favorable.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for inauspicious is "not favorable.", the definition for benefactor is "One who offers financial help.", and the definition for preclude is "To rule out in advance."

The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for extant is "currently existing.", the definition for advantageous is "Giving an advantage.", and the definition for moderate is "Tending toward the average."

The definition for heinous is "Shockingly evil." Used in a sentence: Eduardo's heinous betrayal of Lydia shocked even Latasha, who knew his evil ways. The definition for unscrupulous is "lacking principles.", the definition for mandate is "An official order or commission to do something.", and the definition for buffoonery is "Foolish behavior."