Barbaric, untamed, wilding, maenadic, agrestal, rambunctious.
German’s lack of a direct equivalent for “feral” makes it hard to translate Charles Stross’s recent essay about ways spam could invade end-users’ e-libraries.
Gepflegt, an antonym for feral, is difficult to translate into English.
(Bar BAR ish, nichh t get SAY mt, fer VILLED urt, villed LAY bend, villed.)