Unrefined
Rustic, Stupid
noun
A field of livelihood is so lively! Look at everything jumping around. It is so fresh and new and awesome! That being said, being so lively and fresh and new, it's pretty unrefined and rustic.
やぼ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
うちの学校は本当に野暮だから、生徒たちのソーシャルメディアの利用を禁止してるんだよ。
Our school is so stupid that they ban the use of social media by students.