ANTIMONARCHICAL

Etymology

Adjective

antimonarchical (comparative more antimonarchical, superlative most antimonarchical)

(politics) Opposing a particular monarchy.

(politics) Opposing the concept of monarchy, rule by a single person.

Source: Wiktionary

An`ti*mo*nar"chic, An`ti*mo*nar"chic*al,

Definition: Opposed to monarchial government. Bp. Benson. Addison.

Source: Webster’s Unabridged Dictionary 1913 Edition