Bestial1. (a.) Belonging to an animal; brutal; depraved.
2. (a.) Having the qualities of a beast; brutal; below the dignity of reason or humanity; irrational; carnal; beastly; sensual.
3. (n.) A domestic animal; also collectively, cattle; as, other kinds of bestial.
Thesaurus Entries
Adamic, Circean, Draconian, Gothic, Neanderthal, Tartarean, animal, animalian, animalic, animalistic, anthropophagous, atrocious, barbarian, barbaric, barbarous, beastlike, beastly, bloodthirsty, bloody, bloody-minded, bodily, brutal, brutalized, brute, brutelike, brutish, cannibalistic, carnal, carnal-minded, coarse, cruel, cruel-hearted, demoniac, demoniacal, devilish, diabolic, dumb, earthy, fallen, fell, feral, ferine, ferocious, fiendish, fiendlike, fierce, fleshly, gross, hellish, ill-bred, impolite, infernal, inhuman, inhumane, instinctive, instinctual, kill-crazy, lapsed, malign, malignant, material, materialistic, merciless, mindless, murderous, noncivilized, nonrational, nonspiritual, orgiastic, outlandish, physical, pitiless, postlapsarian, primitive, rough-and-ready, ruthless, sadistic, sanguinary, sanguineous, satanic, savage, sharkish, slavering, subhuman, swinish, tameless, troglodytic, truculent, unchristian, uncivil, uncivilized, uncombed, uncouth, uncultivated, uncultured, ungentle, unhuman, unkempt, unlicked, unpolished, unrefined, unspiritual, untamed, vicious, wild, wolfish, zoic, zooidal, zoologic