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 augment is "to make greater.", the definition for surplus is "Excess.", and the definition for disconcert is "To throw into confusion."

The definition for unscrupulous is "Lacking principles." Used in a sentence: The unscrupulous salesman was fired for lying to his customers. The definition for duplicity is "deceptive thought, speech, or action.", the definition for disconcert is "To throw into confusion.", and the definition for disdain is "Feeling of contempt."

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 extant is "currently existing.", the definition for finite is "Having definite limits.", and the definition for colossal is "Immense, enormous."

The definition for archetypal is "Characteristic of the original model or perfect example." Used in a sentence: Shakespeare's sonnets are considered archetypal love poems The definition for brandish is "to shake or wave menacingly.", the definition for finite is "Having definite limits.", and the definition for raucous is "Noisy, rowdy."

The definition for extenuating is "Partially excusing." Used in a sentence: The extenuating circumstance of Calvin's illness caused the teacher to excuse his lateness. The definition for adversary is "one who opposes or resists.", the definition for negate is "To make invalid.", and the definition for eloquent is "Fluent, expressive."