\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}, .