未開

みかい

uncivilized

N1 #14,151

Meanings

takes の, noun uncivilized; uncivilised; primitive; savage
undeveloped (land); unexplored (territory, field, etc.)
unbloomed (flower)

Its kanji

未ミ、ビ · いま.だ、ま.だ、ひつじ un-, not yet, hitherto, still, even now, sign of the ram, 1-3PM, eighth sign of Chinese zodiac
開カイ · ひら.く、ひら.き、-びら.き、ひら.ける、あ.く、あ.ける open, unfold, unseal

In sentences

その島しまには未開みかい種族しゅぞくがいる。 There are still some savage tribes on that island. #207502

その島しまにはまだ未開みかいの種族しゅぞくがいる。 There are still some savage tribes on that island. #207507