n.late 14c., from Old French inconstance (13c.), from Latin inconstantia, noun of quality from inconstans (see inconstant). if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}