The definition for corrosive is "Bitingly sarcastic." Used in a sentence: The cruel Estella's corrosive comments made Pip cry. The definition for extant is "currently existing.", the definition for buffer is "Protective barrier.", and the definition for hedonism is "Belief that pleasure is the sole aim of life."

The definition for combustion is "Act of burning." Used in a sentence: Campers must use fire with great caution to prevent combustion of the parched brush. The definition for regurgitate is "to pour out or throw back.", the definition for drub is "To defeat decisively.", and the definition for impenitent is "Lacking remorse."

The definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage." Used in a sentence: Kevin's growing fatigue was a liability as he attempted to climb the steep hill. The definition for derelict is "abandoned.", the definition for rehash is "To discuss again.", and the definition for serenity is "Calmness."

The definition for apathetic is "Showing little or no emotion." Used in a sentence: Carmine was concerned about his usually cheerful brother's apathetic attitude. The definition for prominence is "importance.", the definition for implausible is "Unbelievable.", and the definition for celebrated is "Widely known, respected."

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 gruff is "rough or stern in manner or speech.", the definition for melodious is "Having a pleasing melody.", and the definition for perception is "Capacity for seeing or understanding."