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 derivative is "lacking originality.", the definition for foil is "One that enhances or underscores by contrast.", and the definition for disconcert is "To throw into confusion."

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 apathetic is "showing little or no emotion.", the definition for illuminate is "To make clear.", and the definition for cunning is "Showing clever insight."

The definition for trove is "Valuable collection." Used in a sentence: Walter's trove of vintage baseball cards was worth thousands of dollars. The definition for finite is "having definite limits.", the definition for flaw is "An imperfection.", and the definition for retroactive is "effective as of a prior time or condition."

The definition for buffoonery is "Foolish behavior." Used in a sentence: Clarence, an irrepressible comic, was held after cass for his buffoonery. The definition for discern is "to recognize as separate as distinct.", the definition for augment is "To make greater.", and the definition for stealth is "The act of moving secretly or unnoticed."

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 abate is "become less in amount or intensity.", the definition for pathos is "Sympathetic pity.", and the definition for implausible is "Unbelievable."