1. (a.) Very powerful; superior in force, influence, or authority; predominant.

2. (a.) Characterized by prepotency.

armipotent ascendant at the head authoritative boss chief cogent commanding controlling dominant dynamic effective energetic forceful forcible general governing head hegemonic hegemonistic high-potency high-powered high-pressure high-tension in ascendancy in charge in chief in force in power in the ascendant irresistible leading master mighty mighty in battle on the throne operative paramount potent powerful predominant predominate prepollent preponderant preponderate prevailing prevalent puissant regnant regulating regulative regulatory reigning ruling sovereign striking strong supreme swaying telling valid vigorous vital