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 serenity is "calmness.", the definition for onset is "Beginning.", and the definition for gruff is "Rough or stern in manner or speech."

The definition for onset is "Beginning." Used in a sentence: Crocuses bloom at the onset of spring, sometimes even before the snow melts. The definition for clairvoyance is "ability to see things beyond ordinary perception.", the definition for pantomime is "Telling a story through gestures.", and the definition for comparable is "Similar, equivalent."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for mediate is "to come between parties in order to reconcile.", the definition for incongruous is "Not harmonious, incompatible.", and the definition for naive is "Lacking worldy wisdom."

The definition for corrective is "Intended to correct." Used in a sentence: The school decided to take corrective measures to prevent truancy. The definition for grandiose is "with an affectation of grandeur.", the definition for pathos is "Sympathetic pity.", and the definition for untenable is "Not able to be defended."

The definition for mundane is "Practical, ordinary." Used in a sentence: The flighty Caroline could not be troubled with mundane tasks such as paying her bills. The definition for fickle is "lacking constancy, changeable.", the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage.", and the definition for disdain is "Feeling of contempt."