The state or condition of having no absolute ruler or ruling authority. Also: a society or state that functions without an absolute ruler or ruling…

Originally: the state or condition of having no absolute ruler or ruling authority; advocacy of this. Later (frequently with capital initial): spec.…

The revolutionary political theories advanced by Marat.

Opposition to government in general. Cf. anarchism, n. 2.

any of several forms of anarchism that emphasize the individual in preference to external determinants such as groups, traditions, ideologies, etc.