Tyrannically.

= tyrannically, adv.

In a tyrannous manner; with tyrannical oppression or cruelty; despotically. Also figurative.

After the manner of slaves; oppressively.

In a tyrannical manner; oppressively; despotically.

= tyrannously, adv.

Oppressively, tyrannically. Obsolete.

With cruel or unjust exercise of authority or power; in a manner involving exploitation or victimization; tyrannically.

in a grinding manner.

in an inquisitorial manner, as or like an inquisitor.