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 incongruous is "not harmonious, incompatible.", the definition for supple is "Flexible.", and the definition for mandate is "An official order or commission to do something."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for pallid is "lacking color.", the definition for appalling is "Inspiring dismay or disgust.", and the definition for awe is "Emotion combining dread and wonder."

The definition for surplus is "Excess." Used in a sentence: Trevor decided to freeze the surplus chili for next week's tailgate party. The definition for illuminate is "to make clear.", the definition for finite is "Having definite limits.", and the definition for rancorous is "Marked by deep ill–will."

The definition for insolence is "Boldness or rudeness." Used in a sentence: The boy's insolence to the policeman embarrassed his mother. The definition for fraud is "trick.", the definition for implausible is "Unbelievable.", and the definition for liability is "A person or thing whose presence or behavior is likely to cause embarrassment or put one at a disadvantage."

The definition for buffoonery is "Foolish behavior." Used in a sentence: Clarence, an irrepressible comic, was held after cass for his buffoonery. The definition for raucous is "noisy, rowdy.", the definition for extenuating is "Partially excusing.", and the definition for fragile is "Delicate."