/ dɪkˈteɪtə(r); NAmE ˈdɪkteɪtər/ noun ( disapproving )
1.
a ruler who has complete power over a country, especially one who has gained it using military force
2.
a person who behaves as if they have complete power over other people, and tells them what to do
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WORD ORIGIN
late Middle English : from Latin , from dictat- dictated, from the verb dictare .