The definition of a dictator is a ruler with total power or is someone who rules by force regardless of what others want or need.
(noun)An example of a dictator is someone who rules a country by force and who cares only about his own needs and not the desires of the people.
See dictator in Webster's New World College Dictionary
noun
Origin: ME dictatour < L dictator: see dictate
See dictator in American Heritage Dictionary 4
noun
Learn more about dictator