Authoritarian
[ɔː,θɒrɪ'teərɪən] or [ə,θɔrə'tɛrɪən]
Definition
(noun.) a person who behaves in a tyrannical manner; 'my boss is a dictator who makes everyone work overtime'.
(adj.) characteristic of an absolute ruler or absolute rule; having absolute sovereignty; 'an authoritarian regime'; 'autocratic government'; 'despotic rulers'; 'a dictatorial rule that lasted for the duration of the war'; 'a tyrannical government' .
(adj.) expecting unquestioning obedience; 'the timid child of authoritarian parents'; 'insufferably overbearing behavior toward the waiter' .
Checker: Velma--From WordNet