feral

1 living outdoors without taming or domestication by humans animal experts discourage homeowners from trying to adopt feral animals as pets Synonyms wild, savage, unbroken, undomesticated, untamed, wildingRelated Words uncontrolled, undocile, unsubdued, untrained; bestial, brutal, brute; barbarous, uncivilizedNear Antonyms controlled, docile, familiar, semidomesticated, subdued, submissive; halterbroken, housebroken, trained; civilized, semicivilized, socializedAntonyms broken, busted, domestic, domesticated, gentled, tame, tamed

2 having or showing the nature and appetites of a lower animal a novel that reveals just how thin the veneer of civilization is and how feral we are at bottom Synonyms animalistic, beastly, brutal, brute, brutish, bestial, ferine, subhuman, swinishRelated Words animal, bodily, carnal, corporal, corporeal, fleshly, physical, sensual; barbaric, barbarous, cruel, heartless, inhumane, sadistic, savage, vicious, wanton; coarse, crass, crude, gross, ill-bred, lowbred, rude, uncouth, uncultivated, uncultured, unrefined, vulgarNear Antonyms chivalrous, elevated, gallant, great, greathearted, high, high-minded, lofty, lordly, magnanimous, noble, sublime; angelic (or angelical), spiritual; beneficent, benevolent, benignant, compassionate, good-hearted, kind, kindhearted, kindly, softhearted, tenderhearted; cultivated, cultured, genteel, polished, refined, well-bred