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 beneficial is "helpful.", the definition for derelict is "Abandoned.", and the definition for exasperation is "The state of being irritated."

The definition for recrimination is "A retaliatory accusation." Used in a sentence: Frank, who was wounded by Sally's remark, made a bitter recrimination. The definition for naive is "lacking worldy wisdom.", the definition for flaw is "An imperfection.", and the definition for combustion is "Act of burning."

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 compulsion is "an irresistible impulse.", the definition for opportune is "Suitable or convenient.", and the definition for buffoonery is "Foolish behavior."

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 euphoria is "feeling of great happiness.", the definition for moderate is "Tending toward the average.", and the definition for avian is "Relating to birds."

The definition for fragile is "Delicate." Used in a sentence: Jade placed the fragile vase out of reach of her rambunctious boys. The definition for pretentious is "making unjustified claims.", the definition for melee is "A tumultuous fight among several people.", and the definition for combustion is "Act of burning."