The definition for beneficial is "Helpful." Used in a sentence: there is no doubt that eating vegetables is beneficial to one's health. The definition for civility is "politeness.", the definition for regurgitate is "To pour out or throw back.", and the definition for turmoil is "Extreme confusion, agitation."

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 buffoonery is "foolish behavior.", the definition for insolence is "Boldness or rudeness.", and the definition for fidelity is "State of being faithful."

The definition for incongruous is "Not harmonious, incompatible." Used in a sentence: Sadie's cowboy hat was incongruous with her black cocktail dress. The definition for flagrant is "noticeably offensive.", the definition for refurbish is "To brighten or freshen.", and the definition for salvage is "To save from ruin."

The definition for rehash is "To discuss again." Used in a sentence: "Sandra," said her mother, "I am tired of rehashing this same topic over and over." The definition for commemorate is "to mark by a ceremony.", the definition for inviolable is "Secure from assault of trespass.", and the definition for penurious is "Extrememly stingy."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for avian is "relating to birds.", the definition for buffoonery is "Foolish behavior.", and the definition for preclude is "To rule out in advance."