I . a.
1.
Uncultivated ( as a forest ), wild, rough, sylvan.
2.
Uncivilized ( like an inhabitant of the woods ), untaught, rude, unpolished.
3.
Wild, untamed, fierce, ferocious, rapacious, ravenous, ferine, blood-thirsty.
4.
Inhuman, beastly, brutal, brutish, brute.
5.
Cruel, barbarous, fierce, ferocious, inhuman, brutal, fell, remorseless, pitiless, unmerciful, ruthless, merciless, heathenish, relentless, hard-hearted, sanguinary, bloody, murderous, truculent, vandalic.
6.
Enraged ( colloq. ).
II . n.
Barbarian.