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 onset is "beginning.", the definition for periodic is "Occurring at regular intervals.", and the definition for rancorous is "Marked by deep ill–will."

The definition for stern is "Harsh, severe." Used in a sentence: The stern principal canceled the prom after the seniors played a silly prank. The definition for frugal is "thrifty, cheap.", the definition for mundane is "Practical, ordinary.", and the definition for advantageous is "Giving an advantage."

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 comparable is "similar, equivalent.", the definition for indecorous is "In bad taste.", and the definition for fickle is "Lacking constancy, changeable."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for combustion is "act of burning.", the definition for frugal is "Thrifty, cheap.", and the definition for parity is "Equality."

The definition for appraise is "To evaluate the worth of." Used in a sentence: Simone, an expert in African sculpture, was asked to appraise the ambassador's collection of masks. The definition for mundane is "practical, ordinary.", the definition for demean is "To lower status.", and the definition for pathos is "Sympathetic pity."