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 intricate is "having complex and interrelated parts.", the definition for retroactive is "effective as of a prior time or condition.", and the definition for periodic is "Occurring at regular intervals."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for combative is "eager to fight.", the definition for advantageous is "Giving an advantage.", and the definition for censure is "To find fault with."

The definition for serenity is "Calmness." Used in a sentence: The serenity of the glassy sea soothed the sailors after the big storm. The definition for retroactive is "effective as of a prior time or condition.", the definition for euphoria is "Feeling of great happiness.", and the definition for pathos is "Sympathetic pity."

The definition for drub is "To defeat decisively." Used in a sentence: The powerful young boxer drubbed the longtime champion. The definition for extant is "currently existing.", the definition for repentant is "Feeling regret.", and the definition for pretentious is "Making unjustified claims."

The definition for cunning is "Showing clever insight." Used in a sentence: The general devised a cunning strategy to outfox the enemy. The definition for promote is "to contribute to the growth or prosperity of.", the definition for censure is "To find fault with.", and the definition for rehash is "To discuss again."