The definition for clarity is "Clearness." Used in a sentence: The refreshing water in the mountain stream was remarkable for its clarity. The definition for abate is "become less in amount or intensity.", the definition for placebo is "An inactive substance used in medical testing.", and the definition for compulsion is "An irresistible impulse."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for benefactor is "one who offers financial help.", the definition for commemorate is "To mark by a ceremony.", and the definition for heinous is "Shockingly evil."

The definition for equitable is "Fair and equal." Used in a sentence: The judge made an equitable decision dividing the estate evenly among the sisters. The definition for avian is "relating to birds.", the definition for prune is "To reduce by removing excess.", and the definition for duplicity is "Deceptive thought, speech, or action."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for raspy is "rough, grating.", the definition for frugal is "Thrifty, cheap.", and the definition for exalt is "To elevate by praise."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for catastrophic is "relating to extreme misfortune.", the definition for cunning is "Showing clever insight.", and the definition for flaw is "An imperfection."