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 combative is "eager to fight.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for drab is "Dull, monotonous."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for avian is "relating to birds.", the definition for derelict is "Abandoned.", and the definition for fickle is "Lacking constancy, changeable."

The definition for retroactive is "effective as of a prior time or condition." Used in a sentence: The retroactive law made even past infractions punishable. The definition for salvage is "to save from ruin.", the definition for raucous is "Noisy, rowdy.", and the definition for extant is "Currently existing."

The definition for gravity is "Importance, significance." Used in a sentence: Understanding the gravity of his error, Ken offered his humblest apology. The definition for rhapsody is "state of great happiness.", the definition for supple is "Flexible.", and the definition for implement is "To carry out or accomplish."

The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for derivative is "lacking originality.", the definition for compulsion is "An irresistible impulse.", and the definition for scapegoat is "Someone who bears the blame for others."