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 equitable is "fair and equal.", the definition for advantageous is "Giving an advantage.", and the definition for drab is "Dull, monotonous."

The definition for implausible is "Unbelievable." Used in a sentence: Claudia's implausible excuse failed to convince her teacher. The definition for induce is "to influence or cause.", the definition for buffer is "Protective barrier.", and the definition for foil is "One that enhances or underscores by contrast."

The definition for hedonism is "Belief that pleasure is the sole aim of life." Used in a sentence: The hedonism of the emperoro, who spent all his time giving parties, caused his downfall. The definition for insolence is "boldness or rudeness.", the definition for serenity is "Calmness.", and the definition for apathetic is "Showing little or no emotion."

The definition for ploy is "A contrived plan." Used in a sentence: Sarah thought George's ploy of borrowing her notes was a cowardly way to ask her out. The definition for untenable is "not able to be defended.", the definition for repentant is "Feeling regret.", and the definition for buffoonery is "Foolish behavior."

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 anthology is "a collection of selected literary pieces.", the definition for camaraderie is "Spirit of friendship.", and the definition for rail is "To scold in harsh language."