The definition for buffer is "Protective barrier." Used in a sentence: The dense trees acted as a buffer against the heavy rain. The definition for defiant is "showing bold resistance.", the definition for derivative is "Lacking originality.", and the definition for abate is "Become less in amount or intensity."

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 finite is "having definite limits.", the definition for punctual is "On time.", and the definition for derivative is "Lacking originality."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for civility is "politeness.", the definition for melee is "A tumultuous fight among several people.", and the definition for serenity is "Calmness."

The definition for polarize is "To break up into opposing groups." Used in a sentence: Thelma tended to polarize discussions rather than to encourage compromise. The definition for compulsion is "an irresistible impulse.", the definition for disdain is "Feeling of contempt.", and the definition for recrimination is "A retaliatory accusation."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for cunning is "showing clever insight.", the definition for interminable is "Never ending, or seemingly endless.", and the definition for revive is "To bring back to life."