The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for avian is "relating to birds.", the definition for redouble is "To make twice as great.", and the definition for incisive is "Impressively direct and decisive."

The definition for fidelity is "State of being faithful." Used in a sentence: Unlike her fickle friend Benji, May Belle was known for her fidelity. The definition for redouble is "to make twice as great.", the definition for augment is "To make greater.", and the definition for inauspicious is "Not favorable."

The definition for lenient is "Mild or tolerant." Used in a sentence: The judge issued a lenient sentence because it was Frank's first offense. The definition for flourish is "to make bold, sweeping gestures.", the definition for induce is "To influence or cause.", and the definition for avian is "Relating to birds."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for combustion is "act of burning.", the definition for apathetic is "Showing little or no emotion.", and the definition for buffoonery is "Foolish behavior."

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 catastrophic is "relating to extreme misfortune.", the definition for derivative is "Lacking originality.", and the definition for salvage is "To save from ruin."