The definition for egotist is "Self–important person." Used in a sentence: Darren dreaded carpooling with the egotist Shelly, who talked about herself nonstop. The definition for ploy is "a contrived plan.", the definition for negate is "To make invalid.", and the definition for indecorous is "In bad taste."

The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for camaraderie is "spirit of friendship.", the definition for aerate is "To supply with air.", and the definition for augment is "To make greater."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for compulsion is "an irresistible impulse.", the definition for opportune is "Suitable or convenient.", and the definition for heed is "To pay attention to."

The definition for epistolary is "Contained or carried on in letters." Used in a sentence: The shoebox filled with letters was the ony remains of Ming's epistolary friendship with Emile. The definition for penurious is "extrememly stingy.", the definition for raucous is "Noisy, rowdy.", and the definition for iridescent is "Having a lustrous or attractivve quality."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for liability is "a person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", the definition for colossal is "Immense, enormous.", and the definition for adversary is "One who opposes or resists."