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 polarize is "to break up into opposing groups.", the definition for heinous is "Shockingly evil.", and the definition for dubious is "Questionable."

The definition for illuminate is "To make clear." Used in a sentence: Her excellent lecture illuminated the complicated subject of nuclear physics. The definition for defiant is "showing bold resistance.", the definition for ploy is "A contrived plan.", and the definition for corrective is "Intended to correct."

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 nurture is "to further the development of.", the definition for penurious is "Extrememly stingy.", and the definition for insinuate is "To suggest indirectly."

The definition for impenitent is "Lacking remorse." Used in a sentence: The impenitent criminal received a harsh penalty, but his remorseful accomplice was released. The definition for ethical is "conforming to accepted standards.", the definition for benevolent is "Kind, helpful.", and the definition for deferment is "The act of delaying."

The definition for mediate is "To come between parties in order to reconcile." Used in a sentence: The diplomatic Henry was able to mediate between the quarreling sisters. The definition for stifle is "to repress or discourage.", the definition for negate is "To make invalid.", and the definition for flaunt is "To display showily."