The definition for exception is "A case to which the rule does not apply." Used in a sentence: The teacher made an exception and let Gina eat her snack in class. The definition for dubious is "questionable.", the definition for drab is "Dull, monotonous.", and the definition for augment is "To make greater."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for hedonism is "belief that pleasure is the sole aim of life.", the definition for iridescent is "Having a lustrous or attractivve quality.", and the definition for accessible is "Easy to reach or to approach."

The definition for opportune is "Suitable or convenient." Used in a sentence: Quan stepped onto the platform at the most opportune time, just as the train pulled in. The definition for impenitent is "lacking remorse.", the definition for implausible is "Unbelievable.", and the definition for epistolary is "Contained or carried on in letters."

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 retroactive is "effective as of a prior time or condition.", the definition for adversary is "One who opposes or resists.", and the definition for abate is "Become less in amount or intensity."

The definition for raucous is "Noisy, rowdy." Used in a sentence: Serena, who preferred quiet conversation, left the rancous party. The definition for gargantuan is "gigantic.", the definition for melodious is "Having a pleasing melody.", and the definition for facade is "false or superficial appearance."