The definition for cunning is "Showing clever insight." Used in a sentence: The general devised a cunning strategy to outfox the enemy. The definition for catastrophic is "relating to extreme misfortune.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for commemorate is "To mark by a ceremony."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for prune is "to reduce by removing excess.", the definition for benevolent is "Kind, helpful.", and the definition for heinous is "Shockingly evil."

The definition for diffident is "Lacking self–confidence." Used in a sentence: The diffident student never raised her hand in class, even when she knew the answer. The definition for recrimination is "a retaliatory accusation.", the definition for induce is "To influence or cause.", and the definition for surplus is "Excess."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for regale is "to amuse.", the definition for refurbish is "To brighten or freshen.", and the definition for pretense is "False intention or purpose."

The definition for fraud is "Trick." Used in a sentence: The con man's fraud involved selling swampland to gullible investors. The definition for mediate is "to come between parties in order to reconcile.", the definition for adversary is "One who opposes or resists.", and the definition for lenient is "Mild or tolerant."