2. (noun)dictatorship, absolutism, authoritarianism, Caesarism, despotism, monocracy, one-man rule, shogunate, Stalinism, totalitarianism, tyranny a form of government in which the ruler is an absolute dictator (not restricted by a constitution or laws or opposition etc.) Synonyms: shogunate, totalism, dictatorship, authoritarianism, one-man rule, tyranny, absolutism, despotism, monocracy, totalitarianism