The definition for derivative is "Lacking originality." Used in a sentence: Critics panned the movie as a derivative version of last year's Best Picture. The definition for catastrophic is "relating to extreme misfortune.", the definition for repentant is "Feeling regret.", and the definition for curtail is "To make less."

The definition for brandish is "To shake or wave menacingly." Used in a sentence: The baseball player was fined for brandishing his bat at the opposing pitcher. The definition for preclude is "to rule out in advance.", the definition for periodic is "Occurring at regular intervals.", and the definition for flagrant is "Noticeably offensive."

The definition for melodious is "Having a pleasing melody." Used in a sentence: The melodious sounds of the symphony soothed Tim after his trying day. The definition for benefactor is "one who offers financial help.", the definition for composed is "Calm.", and the definition for extenuating is "Partially excusing."

The definition for inviolable is "Secure from assault of trespass." Used in a sentence: Situated on a mountain, with sixteen–foot walls, the castle was inviolable. The definition for prudent is "marked by wisdom, shrewd.", the definition for fragile is "Delicate.", and the definition for oblivious is "Lacking awareness."

The definition for augment is "To make greater." Used in a sentence: Wanda read the dictionary every night to augment her vocabulary. The definition for derelict is "abandoned.", the definition for inviolable is "Secure from assault of trespass.", and the definition for mediate is "To come between parties in order to reconcile."