The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for eloquent is "fluent, expressive.", the definition for clarity is "Clearness.", and the definition for aerate is "To supply with air."

The definition for defiant is "Showing bold resistance." Used in a sentence: The defiant toddler refused to leave the park. The definition for epistolary is "contained or carried on in letters.", the definition for dubious is "Questionable.", and the definition for antidote is "Something that relieves or counteracts."

The definition for rail is "To scold in harsh language." Used in a sentence: Clay began to cry as his irate manager railed at him for missing the deadline. The definition for cunning is "showing clever insight.", the definition for rehash is "To discuss again.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for flaunt is "To display showily." Used in a sentence: Sheila, who could not resist bragging, flaunted the "A" marked on her test paper. The definition for prudent is "marked by wisdom, shrewd.", the definition for benefactor is "One who offers financial help.", and the definition for untenable is "Not able to be defended."

The definition for corroborate is "To support with evidence." Used in a sentence: "Unless you can corroborate your story, it will not be admissible in court," the attorney told his client. The definition for impenitent is "lacking remorse.", the definition for mediate is "To come between parties in order to reconcile.", and the definition for pathos is "Sympathetic pity."