The definition for iridescent is "Having a lustrous or attractivve quality." Used in a sentence: The movie star's iridescent presence charmed even the hardened reporter. The definition for proximity is "closeness.", the definition for illuminate is "To make clear.", and the definition for gargantuan is "Gigantic."

The definition for euphoria is "Feeling of great happiness." Used in a sentence: Cassandra was overcome with euphoria when she met her long–lost sister. The definition for polarize is "to break up into opposing groups.", the definition for prune is "To reduce by removing excess.", and the definition for heed is "To pay attention to."

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 unscrupulous is "lacking principles.", the definition for onset is "Beginning.", and the definition for trove is "Valuable collection."

The definition for disconcert is "To throw into confusion." Used in a sentence: Jennifer's outspoken criticism of the meal disoncerted the waiter. The definition for buffoonery is "foolish behavior.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for drab is "Dull, monotonous."

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 drub is "to defeat decisively.", the definition for compulsion is "An irresistible impulse.", and the definition for surplus is "Excess."