The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for periodic is "occurring at regular intervals.", the definition for futile is "Without purpose, completely ineffective.", and the definition for demeanor is "Behavior towards others."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for naive is "lacking worldy wisdom.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for procrastinate is "To put off intentionally." Used in a sentence: Yvonne's father urged, "Don't procrastinate. Clean your room right away." The definition for trove is "valuable collection.", the definition for regurgitate is "To pour out or throw back.", and the definition for perception is "Capacity for seeing or understanding."

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 exasperation is "the state of being irritated.", the definition for flourish is "To make bold, sweeping gestures.", and the definition for absolve is "To forgive; to free from guilt."

The definition for eulogy is "Speech or writing in praise of deceased." Used in a sentence: Ernesto delivered a moving eulogy at his uncle's funeral. The definition for solace is "source of consolation.", the definition for accessible is "Easy to reach or to approach.", and the definition for surplus is "Excess."