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 gruff is "rough or stern in manner or speech.", the definition for authoritarian is "Favoring absolute obedience to authority.", and the definition for embellish is "To decorate."

The definition for regurgitate is "To pour out or throw back." Used in a sentence: The teacher wanted us to examine ideas rather than to regurgitate memorized facts. The definition for buffer is "protective barrier.", the definition for insolence is "Boldness or rudeness.", and the definition for inauspicious is "Not favorable."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for combustion is "act of burning.", the definition for incidental is "Minor.", and the definition for straddle is "To favor opposing sides."

The definition for elate is "To fill with joy." Used in a sentence: It elated Margaret to be awarded first place in the science fair. The definition for pathos is "sympathetic pity.", the definition for camaraderie is "Spirit of friendship.", and the definition for precept is "A general rule of action."

The definition for aesthete is "Person having or affecting sensitivity to beauty." Used in a sentence: Consuela's friends called her an aesthete when she claimed that Monet's paintings made her cry. The definition for deferment is "the act of delaying.", the definition for clairvoyance is "Ability to see things beyond ordinary perception.", and the definition for gargantuan is "Gigantic."