The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for raucous is "noisy, rowdy.", the definition for combustion is "Act of burning.", and the definition for illuminate is "To make clear."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for prudent is "marked by wisdom, shrewd.", the definition for redouble is "To make twice as great.", and the definition for civility is "Politeness."

The definition for compulsion is "An irresistible impulse." Used in a sentence: Tamar, a shoe fanatic, could not resist the compulsion to buy the shiny red boots. The definition for derivative is "lacking originality.", the definition for pomp is "Showy display.", and the definition for pathos is "Sympathetic pity."

The definition for discern is "To recognize as separate as distinct." Used in a sentence: The pastry connoisseur was able to discern Swiss from Belgian chocolate. The definition for commemorate is "to mark by a ceremony.", the definition for raspy is "rough, grating.", and the definition for pallid is "Lacking color."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for benevolent is "kind, helpful.", the definition for clairvoyance is "Ability to see things beyond ordinary perception.", and the definition for flourish is "To make bold, sweeping gestures."