Negativistic is a word used to describe someone who is overly negative, critical, and pessimistic. There are several synonyms that can be used in place of negativistic, such as cynical, defeatist, fatalistic, nihilistic, and skeptical. A cynical person is one who tends to distrust human nature and motives, while a defeatist is someone who believes that defeat is inevitable. Fatalistic individuals attribute events to fate and believe that they have no control over their lives. Nihilistic people reject all religious or moral principles and believe that life is meaningless. Lastly, a skeptical person is one who is doubtful and cautious about accepting certain beliefs or information. All of these terms can be used interchangeably to describe someone who is negativistic.