say it: tur-AN-i-kuhl
tyrannical is an adjective meaning "marked by unjust severity or arbitrary behavior". It carries 2 recorded senses.
marked by unjust severity or arbitrary behavior
“the oppressive government”
“oppressive laws”
“a tyrannical parent”
“tyrannous disregard of human rights”
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”
Definitions, synonyms and semantic relations for tyrannical come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.