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 preclude is "to rule out in advance.", the definition for egotist is "Self–important person.", and the definition for avian is "Relating to birds."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for sociable is "inclined to seek companionship.", the definition for hedonism is "Belief that pleasure is the sole aim of life.", and the definition for incisive is "Impressively direct and decisive."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for disconcert is "to throw into confusion.", the definition for pallid is "Lacking color.", and the definition for pathos is "Sympathetic pity."

The definition for fraud is "Trick." Used in a sentence: The con man's fraud involved selling swampland to gullible investors. The definition for eloquent is "fluent, expressive.", the definition for gravity is "Importance, significance.", and the definition for immoderate is "Beyond usual or proper limits."

The definition for revive is "To bring back to life." Used in a sentence: Hank tried to revive Clare's interest in the project, but her enthusiasm had expired. The definition for precept is "a general rule of action.", the definition for eulogy is "Speech or writing in praise of deceased.", and the definition for equitable is "Fair and equal."