"uncivilized" in the adjective sense
1. barbarian, barbaric, savage, uncivilized, uncivilised, wild
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® (An amazing lexical database of English)
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