one-man rule

Từ điển Oxford Learners Wordfinder Dictionary

noun

a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.)
• Syn:
dictatorship, absolutism, authoritarianism, Caesarism, despotism,
monocracy, shogunate, Stalinism, totalitarianism, tyranny
• Derivationally related forms:
Stalinist (for: Stalinism), absolutistic (for: absolutism), absolutist (for: absolutism), dictator (for: dictatorship)
• Hypernyms:
autocracy, autarchy
• Hyponyms:
police state