The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for trove is "valuable collection.", the definition for serenity is "Calmness.", and the definition for celebrated is "Widely known, respected."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for parity is "equality.", the definition for archetypal is "Characteristic of the original model or perfect example.", and the definition for regurgitate is "To pour out or throw back."

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 punctual is "on time.", the definition for flaunt is "To display showily.", and the definition for refurbish is "To brighten or freshen."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for combative is "eager to fight.", the definition for negate is "To make invalid.", and the definition for extol is "To praise highly."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for turmoil is "extreme confusion, agitation.", the definition for rancorous is "Marked by deep ill–will.", and the definition for benefactor is "One who offers financial help."