UNCIVILIZED
barbarian, barbaric, savage, uncivilized, uncivilised, wild
(adjective) without civilizing influences; “barbarian invaders”; “barbaric practices”; “a savage people”; “fighting is crude and uncivilized especially if the weapons are efficient”-Margaret Meade; “wild tribes”
Source: WordNet® 3.1
Etymology
From the British spelling uncivilised, with the general spelling reform of "-ise" to "-ize".
Adjective
uncivilized (comparative more uncivilized, superlative most uncivilized)
Crude, barbarous, wild, uncultured.
Used to describe people who display a marked lack of manners as defined by a given culture.
Used to describe behaviours deemed savage or inappropriate.
Source: Wiktionary
Un*civ"i*lized, a.
1. Not civilized; not reclaimed from savage life; rude; barbarous;
savage; as, the uncivilized inhabitants of Central Africa.
2. Not civil; coarse; clownish. [R.] Addison.
Source: Webster’s Unabridged Dictionary 1913 Edition