未開 みかい
mikai

Noun
no-Adjective

1. uncivilized; uncivilised; primitive; savage

その当時 とうじ、そこには未開 みかい民族 みんぞく んでいた。
sono tōji sokoniwa mikai minzokuga sunde ita.
A savage tribe lived there in those days.
Noun
no-Adjective

2. undeveloped (land); unexplored (territory, field, etc.)

Noun
no-Adjective

3. unbloomed (flower)