in·nu·mer·a·ble \ə̇ˈn(y)üm(ə)rəbəl\adjective Etymology: Middle English, from Latin innumerabilis, from in- in- (I) + numerabilis numerable — more at numerable 1.: too many to be numbered or counted : indefinitely numerous : numberless < innumerable coral reefs and islets — Americana Annual > 2.: characterized by vast or countless number < an innumerable throng of people > • in·nu·mer·a·ble·ness\-nə̇s\noun-es • in·nu·mer·a·bly\-blē, -bli\adverb