The definition for negate is "To make invalid." Used in a sentence: Paula negated Tiffany's argument by proving that her main premise was false. The definition for accessible is "easy to reach or to approach.", the definition for gravity is "Importance, significance.", and the definition for fickle is "Lacking constancy, changeable."

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 distortion is "the act of twisting out of shape.", the definition for prudent is "Marked by wisdom, shrewd.", and the definition for unscrupulous is "Lacking principles."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for periodic is "occurring at regular intervals.", the definition for elusive is "Hard to grasp.", and the definition for frugal is "Thrifty, cheap."

The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for manifest is "obvious.", the definition for absolve is "To forgive; to free from guilt.", and the definition for revoke is "To cancel by taking back."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for drub is "to defeat decisively.", the definition for regale is "To amuse.", and the definition for pathos is "Sympathetic pity."