dic ‧ ta ‧ tor /dɪkˈteɪtə $ ˈdɪkteɪtər/ BrE AmE noun [countable]
1 . a ruler who has complete power over a country, especially one whose power has been gained by force:
the downfall of the hated dictator
2 . someone who tells other people what they should do, in a way that seems unreasonable:
a real little dictator