The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for catastrophic is "relating to extreme misfortune.", the definition for cunning is "Showing clever insight.", and the definition for disdain is "Feeling of contempt."

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 ethical is "conforming to accepted standards.", the definition for benefactor is "One who offers financial help.", and the definition for embellish is "To decorate."

The definition for penurious is "Extrememly stingy." Used in a sentence: Ebenezer Scrooge was most penurious, refusing to give even a penny to charity. The definition for turpitude is "essential baseness, depravity.", the definition for recrimination is "A retaliatory accusation.", and the definition for abate is "Become less in amount or intensity."

The definition for archaic is "Characteristic of an earlier time." Used in a sentence: In the world of high fashion, two–year–old shoes are considered positively archaic. The definition for elusive is "hard to grasp.", the definition for incongruous is "Not harmonious, incompatible.", and the definition for duplicity is "Deceptive thought, speech, or action."

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 parity is "equality.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for oblivious is "Lacking awareness."