Meaning of “dictator” - Learner’s Dictionary

dictator

noun [ C ] us uk /dɪkˈteɪtər/

a leader who has complete power in a country and has not been elected by the people

dictatorial adjective us uk /ˌdɪktəˈtɔːriəl/

(Definition of “dictator” from the Cambridge Learner’s Dictionary © Cambridge University Press)