Tyrannical(adjective)
(Exercising power in a cruel or arbitrary way/ characteristic of an absolute ruler or absolute rule; having absolute sovereignty)
Hindi meaning:निरंकुश
Synonyms: Autocratic, Dictatorial, Despotic, Undemocratic, Illiberal
Antonyms: Compassionate, Democratic, Gentle, Kind
Example: In a dictatorship the ruler generally uses tyrannical ways to run the country.
Trick to remember: Rani ke uncle ka tyrannical government. 
