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 comprehensible is "understandable.", the definition for mandate is "An official order or commission to do something.", and the definition for negate is "To make invalid."

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 nurture is "to further the development of.", the definition for recrimination is "A retaliatory accusation.", and the definition for censure is "To find fault with."

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 garish is "offensively bright.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for extol is "To praise highly."

The definition for advantageous is "Giving an advantage." Used in a sentence: The house's location in the best school district was advantageous to the seller. The definition for buffer is "protective barrier.", the definition for colossal is "Immense, enormous.", and the definition for melodious is "Having a pleasing melody."

The definition for ecstatic is "Overwhelmingly emotional." Used in a sentence: They were ecstatic when their team won the championship game in the last second. The definition for hedonism is "belief that pleasure is the sole aim of life.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for embellish is "To decorate."