The definition for drub is "To defeat decisively." Used in a sentence: The powerful young boxer drubbed the longtime champion. The definition for placebo is "an inactive substance used in medical testing.", the definition for negate is "To make invalid.", and the definition for opportune is "Suitable or convenient."

The definition for appalling is "Inspiring dismay or disgust." Used in a sentence: Hector found his roommate's habit of leaving his dirty socks on the floor appalling. The definition for pretense is "false intention or purpose.", the definition for incisive is "Impressively direct and decisive.", and the definition for periodic is "Occurring at regular intervals."

The definition for insolence is "Boldness or rudeness." Used in a sentence: The boy's insolence to the policeman embarrassed his mother. The definition for unscrupulous is "lacking principles.", the definition for promote is "To contribute to the growth or prosperity of.", and the definition for melodious is "Having a pleasing melody."

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 pomp is "showy display.", the definition for genial is "Sympathetic, friendly.", and the definition for preclude is "To rule out in advance."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for recrimination is "a retaliatory accusation.", the definition for ecstatic is "Overwhelmingly emotional.", and the definition for prune is "To reduce by removing excess."