The definition for gruff is "Rough or stern in manner or speech." Used in a sentence: Heidi's grandfather was gruff, barking stern orders and hardly smiling. The definition for onset is "beginning.", the definition for flaw is "An imperfection.", and the definition for garish is "Offensively bright."

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 exasperation is "the state of being irritated.", the definition for stern is "Harsh, severe.", and the definition for beneficial is "Helpful."

The definition for pantomime is "Telling a story through gestures." Used in a sentence: The jealous actress called her understudy's performance a ridiculous pantomime. The definition for periodic is "occurring at regular intervals.", the definition for revoke is "To cancel by taking back.", and the definition for apathetic is "Showing little or no emotion."

The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for fraud is "trick.", the definition for commemorate is "To mark by a ceremony.", and the definition for pallid is "Lacking color."

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 interminable is "never ending, or seemingly endless.", the definition for revive is "To bring back to life.", and the definition for accentuate is "To emphasize."