Adjective tyrannical has 3 senses
- tyrannic, tyrannical - of or relating to or associated with or resembling a dictatorship; "tyrannical suppression of liberty"
- oppressive, tyrannical, tyrannous - marked by unjust severity or arbitrary behavior; "the oppressive government"; "oppressive laws"; "a tyrannical parent"; "tyrannous disregard of human rights"
Antonym: submissive (indirect, via domineering)
- authoritarian, autocratic, dictatorial, despotic, tyrannical - 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"
Antonym: democratic (indirect, via undemocratic)
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