The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for redouble is "to make twice as great.", the definition for raucous is "Noisy, rowdy.", and the definition for polarize is "To break up into opposing groups."

The definition for elusive is "Hard to grasp." Used in a sentence: The words to the song are elusive, as the singer tends to mumble. The definition for frugal is "thrifty, cheap.", the definition for exception is "A case to which the rule does not apply.", and the definition for incidental is "Minor."

The definition for duplicity is "Deceptive thought, speech, or action." Used in a sentence: The life of an undercover detective is filed with necessary duplicity. The definition for methodical is "performed in an orderly manner.", the definition for disconcert is "To throw into confusion.", and the definition for scamper is "To run quickly."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for authoritarian is "favoring absolute obedience to authority.", the definition for repel is "To resist, reject.", and the definition for comprehensible is "Understandable."

The definition for flagrant is "Noticeably offensive." Used in a sentence: The executive was fired for his flagrant abuse of the company expense account. The definition for interminable is "never ending, or seemingly endless.", the definition for curtail is "To make less.", and the definition for manifest is "Obvious."