The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for curtail is "to make less.", the definition for salvage is "To save from ruin.", and the definition for heinous is "Shockingly evil."

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 civility is "politeness.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for demean is "To lower status."

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 disconcert is "to throw into confusion.", the definition for rail is "To scold in harsh language.", and the definition for futile is "Without purpose, completely ineffective."

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 heinous is "shockingly evil.", the definition for preclude is "To rule out in advance.", and the definition for servile is "Fearfully submissive."

The definition for abate is "Become less in amount or intensity." Used in a sentence: Just when it seemed the rain would never stop, the storm suddenly began to abate. The definition for futile is "without purpose, completely ineffective.", the definition for pantomime is "Telling a story through gestures.", and the definition for rehash is "To discuss again."