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 hedonism is "belief that pleasure is the sole aim of life.", the definition for plaudits is "Enthusiastic approval.", and the definition for authoritarian is "Favoring absolute obedience to authority."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for rancorous is "marked by deep ill–will.", the definition for catastrophic is "Relating to extreme misfortune.", and the definition for perception is "Capacity for seeing or understanding."

The definition for adversary is "One who opposes or resists." Used in a sentence: Franklin hoped to defeat his adversary in the afternoon's tennis match. The definition for trove is "valuable collection.", the definition for regale is "To amuse.", and the definition for demean is "To lower status."

The definition for elusive is "Hard to grasp." Used in a sentence: The words to the song are elusive, as the singer tends to mumble. The definition for penurious is "extrememly stingy.", the definition for extenuating is "Partially excusing.", and the definition for awe is "Emotion combining dread and wonder."

The definition for censure is "To find fault with." Used in a sentence: The critical teacher was quick to censure her students for even small mistakes. The definition for distortion is "the act of twisting out of shape.", the definition for surplus is "Excess.", and the definition for placebo is "An inactive substance used in medical testing."