a. 暴君的, 专横的, 专制的, 暴虐的, 残酷的

[ adj ]
characteristic of an absolute ruler or absolute rule; having absolute sovereignty
<adj.all>
an authoritarian regimeautocratic government
despotic rulers
a dictatorial rule that lasted for the duration of the war
a tyrannical government

Tyrannic \Ty*ran"nic\ (?; 277), Tyrannical \Ty*ran"nic*al\, a.
[L. tyrannicus, Gr. ?: cf. F. tyrannique. See {Tyrant}.]
Of or pertaining to a tyrant; suiting a tyrant; unjustly
severe in government; absolute; imperious; despotic; cruel;
arbitrary; as, a tyrannical prince; a tyrannical master;
tyrannical government. ``A power tyrannical.'' --Shak.

Our sects a more tyrannic power assume. --Roscommon.

The oppressor ruled tyrannic where he durst. --Pope.
※ -- {Ty*ran"nic*al*ly}, adv. --
{Ty*ran"nic*al*ness}, .