feral
Word family adjectiveferalizedferineferalnounferity
fer·al /ˈferəl, ˈfɪərəl $ ˈferəl, ˈfɪrəl/ adjectiveadj → ferrule1 HBAferal animals used to live with humans but have become wild 〔动物驯养后脱逃〕恢复野性的 n2 feral children or young people behave badly in public and commit crimes, because they are not controlled by anyone and have no respect for authority The riots were blamed on feral teenagers.
Origin feral (1600-1700) Medieval Latin feralis, from Latin fera “wild animal”