The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for manifest is "obvious.", the definition for meticulous is "Extrememly careful regarding details.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for methodical is "Performed in an orderly manner." Used in a sentence: Oscar's methodical approach exasperated his free–spirited friend Ben. The definition for censure is "to find fault with.", the definition for rail is "To scold in harsh language.", and the definition for compulsion is "An irresistible impulse."

The definition for placebo is "An inactive substance used in medical testing." Used in a sentence: Tom, who had taken the placebo, found that his allergy symptoms did not go away. The definition for celebrated is "widely known, respected.", the definition for intricate is "Having complex and interrelated parts.", and the definition for adversary is "One who opposes or resists."

The definition for gargantuan is "Gigantic." Used in a sentence: The gargantuan monster towered over the ten–story bulding. The definition for lenient is "mild or tolerant.", the definition for serenity is "Calmness.", and the definition for servile is "Fearfully submissive."

The definition for redouble is "To make twice as great." Used in a sentence: As the sun began to set, Brittany redoubled her effort to find the necklace she had dropped in the field. The definition for rehash is "to discuss again.", the definition for procrastinate is "To put off intentionally.", and the definition for frugal is "Thrifty, cheap."