alienigenate,a.|ˌeɪlɪəˈnɪdʒɪneɪt| [ad. L. aliēnigenāt-uspa.pple. of aliēnigenā-re, f.aliēnigen-us of foreign race, f.aliēn-us foreign + -gen-us born.] Alien-born. 1855Winthrop Braddock's Exped. 17 The throng of Hanoverian favorites around their alienigenate king.