Merriam-Webster Collegiate Dictionary - anarchy

 noun  Etymology: Medieval Latin anarchia, from Greek, from anarchos having no ruler, from an- + archos ruler — more at arch-  Date: 1539  1.  a. absence of government  b. a state of lawlessness or political disorder due to the absence of governmental authority  c. a utopian society of individuals who enjoy complete freedom without government  2.  a. absence or denial of any authority or established order  b. absence of order ; disorder not manicured plots but a wild ~ of nature — Israel Shenker  3. anarchism