Adverb
in an overbearingly domineering manner; as a dictator
Source: WordNetI am pessimistic about the human race because it is too ingenious for its own good. Our approach to nature is to beat it into submission. We would stand a better chance of survival if we accommodated ourselves to this planet and viewed it appreciatively instead of skeptically and dictatorially. E. B. White
this manager acts dictatorially toward his colleagues Source: Internet