The definition for incumbent is "Necessary as a duty or responsibility." Used in a sentence: It was incumbent on Jack to attend his father's retirement party. The definition for genial is "sympathetic, friendly.", the definition for distortion is "The act of twisting out of shape.", and the definition for comparable is "Similar, equivalent."

The definition for censure is "To find fault with." Used in a sentence: The critical teacher was quick to censure her students for even small mistakes. The definition for discern is "to recognize as separate as distinct.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for drab is "Dull, monotonous."

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 rehash is "to discuss again.", the definition for rancorous is "Marked by deep ill–will.", and the definition for absolve is "To forgive; to free from guilt."

The definition for aerate is "To supply with air." Used in a sentence: Every spring, Soloman used his tiller to aerate the compact soil. The definition for extant is "currently existing.", the definition for supple is "Flexible.", and the definition for advantageous is "Giving an advantage."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for retroactive is "effective as of a prior time or condition.", the definition for buffoonery is "Foolish behavior.", and the definition for apathetic is "Showing little or no emotion."