The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for trove is "valuable collection.", the definition for incumbent is "Necessary as a duty or responsibility.", and the definition for duplicity is "Deceptive thought, speech, or action."

The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for pantomime is "telling a story through gestures.", the definition for derelict is "Abandoned.", and the definition for egotist is "Self–important person."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for exception is "a case to which the rule does not apply.", the definition for inauspicious is "Not favorable.", and the definition for archetypal is "Characteristic of the original model or perfect example."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for pretense is "false intention or purpose.", the definition for pretentious is "Making unjustified claims.", and the definition for facade is "false or superficial appearance."

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 periodic is "occurring at regular intervals.", the definition for solace is "Source of consolation.", and the definition for cunning is "Showing clever insight."