sovereign

Synonyms: absolute ascendant autonomous chief commanding directing effectual efficacious excellent guiding highest imperial independent lofty majestic monarchal monarchial overbearing paramount predominant predominate preponderant prevalent principal regal regnant reigning royal ruling self-governed supreme unlimited

Antonyms: inferior submissive subservient

Synonyms: autocrat chief czar emperor empress king leader majesty monarch potentate prince princess queen ruler

Antonyms: servant