n."opposition to all social government or control of individuals by law," 1845, from antarchy + -ism. Related: Antarchist. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}