TYRANNIC
authoritarian, autocratic, dictatorial, despotic, tyrannic, tyrannical
(adjective) 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”
Source: WordNet® 3.1
Adjective
tyrannic (comparative more tyrannic, superlative most tyrannic)
(dated) Tyrannical.
Source: Wiktionary
Ty*ran"nic, Ty*ran"nic*al, a. Etym: [L. tyrannicus, Gr. tyrannique.
See Tyrant.]
Definition: 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, .
Source: Webster’s Unabridged Dictionary 1913 Edition