The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for drab is "dull, monotonous.", the definition for diffident is "Lacking self–confidence.", and the definition for revive is "To bring back to life."

The definition for extant is "Currently existing." Used in a sentence: Some consider Clint Eastwood the greatest extant American director. The definition for combustion is "act of burning.", the definition for colossal is "Immense, enormous.", and the definition for placebo is "An inactive substance used in medical testing."

The definition for stifle is "To repress or discourage." Used in a sentence: Amy tried ineffectively to stifle her giggles after she read Susan's note in class. The definition for stealth is "the act of moving secretly or unnoticed.", the definition for scamper is "To run quickly.", and the definition for garish is "Offensively bright."

The definition for authoritarian is "Favoring absolute obedience to authority." Used in a sentence: Marco's authoritarian mother never allowed him to watch more than one hour of television a day. The definition for epistolary is "contained or carried on in letters.", the definition for grandiose is "With an affectation of grandeur.", and the definition for buffer is "Protective barrier."

The definition for antidote is "Something that relieves or counteracts." Used in a sentence: Veronique found that listening to French music was an antidote for her homesickness. The definition for gruff is "rough or stern in manner or speech.", the definition for insolence is "Boldness or rudeness.", and the definition for demeanor is "Behavior towards others."