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 apathetic is "showing little or no emotion.", the definition for facade is "false or superficial appearance.", and the definition for incumbent is "Necessary as a duty or responsibility."

The definition for melee is "A tumultuous fight among several people." Used in a sentence: After the game, a melee broke out between fans of the opposing teams. The definition for egotist is "self–important person.", the definition for compulsion is "An irresistible impulse.", and the definition for trove is "Valuable collection."

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 pomp is "showy display.", the definition for sociable is "Inclined to seek companionship.", and the definition for pretentious is "Making unjustified claims."

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 regale is "to amuse.", the definition for combustion is "Act of burning.", and the definition for avian is "Relating to birds."

The definition for periodic is "Occurring at regular intervals." Used in a sentence: The periodic innterruptions of the cuckoo clock prevented Li from concentrating. The definition for perception is "capacity for seeing or understanding.", the definition for discern is "To recognize as separate as distinct.", and the definition for flourish is "To make bold, sweeping gestures."