The definition for catastrophic is "Relating to extreme misfortune." Used in a sentence: The effects of the massive hurricane were catastrophic. The definition for retroactive is "effective as of a prior time or condition.", the definition for camaraderie is "Spirit of friendship.", and the definition for defiant is "Showing bold resistance."

The definition for eloquent is "Fluent, expressive." Used in a sentence: Kim, an eloquent speaker, was the best choice to make the presentation for the group. The definition for prune is "to reduce by removing excess.", the definition for augment is "To make greater.", and the definition for revive is "To bring back to life."

The definition for mandate is "An official order or commission to do something." Used in a sentence: Martha reluctantly obeyed the mandate to vacate her apartment. The definition for fidelity is "state of being faithful.", the definition for deferment is "The act of delaying.", and the definition for futile is "Without purpose, completely ineffective."

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 stifle is "to repress or discourage.", the definition for naive is "Lacking worldy wisdom.", and the definition for compulsion is "An irresistible impulse."

The definition for entangle is "To involve in trouble." Used in a sentence: Jonah regretted entangling Parker in his legal difficulties. The definition for lurid is "causing horror, shocking.", the definition for pantomime is "Telling a story through gestures.", and the definition for rehash is "To discuss again."