The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for corrosive is "bitingly sarcastic.", the definition for lenient is "Mild or tolerant.", and the definition for compulsion is "An irresistible impulse."

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 regale is "to amuse.", the definition for discern is "To recognize as separate as distinct.", and the definition for distortion is "The act of twisting out of shape."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for futile is "without purpose, completely ineffective.", the definition for precept is "A general rule of action.", and the definition for rehash is "To discuss again."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for appraise is "to evaluate the worth of.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for aerate is "To supply with air."

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 supple is "flexible.", the definition for inauspicious is "Not favorable.", and the definition for incumbent is "Necessary as a duty or responsibility."