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 untenable is "not able to be defended.", the definition for rail is "To scold in harsh language.", and the definition for combative is "Eager to fight."

The definition for rancorous is "Marked by deep ill–will." Used in a sentence: The rancorous competition between the two chess clubs actually ended in a brawl. The definition for euphoria is "feeling of great happiness.", the definition for indecorous is "In bad taste.", and the definition for naive is "Lacking worldy wisdom."

The definition for promote is "To contribute to the growth or prosperity of." Used in a sentence: The promote peace, the diplomat hosted a talk between the warring nations. The definition for exalt is "to elevate by praise.", the definition for repentant is "Feeling regret.", and the definition for prominence is "Importance."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for corrosive is "bitingly sarcastic.", the definition for methodical is "Performed in an orderly manner.", and the definition for nurture is "To further the development of."

The definition for civility is "Politeness." Used in a sentence: The usually unruly Thomas acted with great civility when his favorite uncle visited. The definition for comprehensible is "understandable.", the definition for inauspicious is "Not favorable.", and the definition for incongruous is "Not harmonious, incompatible."