absoluter
adj. C2 Proficiency ab·so·luter
adj. a person who has total power and does not listen to anyone else. This is a very old word for a king or leader who rules without limits.
adj. a sovereign or ruler who exercises power without restriction or accountability. Archaic in modern political discourse; primarily found in historical or literary contexts.
The absoluter ruled the kingdom with total control.
Historians often debate whether the king was a true absoluter or if he shared power with the local lords.
The transition from an absoluter to a constitutional monarch marked a significant shift in the balance of power between the crown and the emerging parliament.