Entry 2 senses · 2 variants Webster, 1913 feral /fĕr'-əl/ · fe·ral · IPA /ˈfɛɹ.əl/ a. a. 01 a. Wild; untamed; ferine; not domesticated; -- said of beasts, birds, and plants. 1. Wild; untamed; ferine; not domesticated; -- said of beasts, birds, and plants.(Bot. & Zool.) 02 a. Funereal; deadly; fatal; dangerous. 1. Funereal; deadly; fatal; dangerous.[R.]