1‘a pack of feral dogs’
wild, untamed, undomesticated, untrained, unused to humans
unbroken, not broken in
British not house-trained
North American not housebroken
2‘he gave a feral snarl’
fierce, ferocious, vicious, savage, aggressive, tigerish, wolfish, predatory, menacing, threatening, bloodthirsty
We take a look at several popular, though confusing, punctuation marks.