Synonyms of 'monarch'
She will never stand down as monarch and we fully support her.
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A potentate is a ruler who has complete power over his people.
a rich Eastern potentate
The ruler of a country is the person who rules the country.
He was an indecisive ruler.
Thesaurus for monarch from the Collins English Thesaurus
The monarch of a country is the king, queen, emperor, or empress .