Definition of totalitarian adjective from the Oxford Advanced American Dictionary

 

totalitarian

 adjective
adjective
NAmE//toʊˌtæləˈtɛriən//
 
(disapproving)
 
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(of a country or system of government) in which there is only one political party that has complete power and control over the people a totalitarian state/regime
totalitarianism
 
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NAmE//toʊˌtæləˈtɛriəˌnɪzəm//
 
noun [uncountable] to oppose dictatorship and totalitarianism
See the Oxford Advanced Learner's Dictionary entry: totalitarian