belief in the abolition of all government and the organization of society on a voluntary, cooperative basis without recourse to force or compulsion.
a political force or movement based on belief in anarchism:socialism and anarchism emerged to offer organized protest against the injustices of Spanish society
Origin:
mid 17th century: from Greek anarkhos 'without a chief' (see anarchy)+ -ism; later influenced by French anarchisme
anarchism in other Oxford dictionaries
Definition of anarchism in the US English dictionary