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 gruff is "rough or stern in manner or speech.", the definition for flaw is "An imperfection.", and the definition for brandish is "To shake or wave menacingly."

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 stern is "Harsh, severe.", and the definition for embellish is "To decorate."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for revoke is "to cancel by taking back.", the definition for epistolary is "Contained or carried on in letters.", and the definition for gravity is "Importance, significance."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for gruff is "rough or stern in manner or speech.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage."

The definition for precept is "A general rule of action." Used in a sentence: All the students know Mrs. Brown's strict precept; no talking in class. The definition for induce is "to influence or cause.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for stifle is "To repress or discourage."