1. Marked by unjust severity or arbitrary behaviour
   "a tyrannical parent"
   - oppressive, tyrannous 
2. Characteristic of an absolute ruler or absolute rule; having absolute sovereignty
   "a tyrannical government"
   - authoritarian, autocratic, dictatorial, despotic, tyrannic

See also: domineering, tyranny, undemocratic

Encyclopedia: Tyrannical

• hetaera
• hetaira
• Heteranthera
• Heteranthera dubia
• hetero
• Heterobasidiomycetes
• Heterocephalus
• heterocercal
• heterocercal fin
• heterochromatic
• heteroclite
• heterocycle
• heterocyclic
• heterocyclic compound
• heterocyclic ring
• heterodactyl
• heterodactyl foot
• Heterodon
• heterodox
• heterodoxy
• heterodyne
• heterodyne oscillator
• heterodyne receiver
• heteroecious
• heterogamy