backward
US /ˈbæk.wɚd/
UK /ˈbæk.wɚd/

1.
2.
mundur, terbelakang
having made less than normal progress; undeveloped
:
•
Some regions are still economically backward.
Beberapa wilayah masih mundur dari segi ekonomi.
•
The education system in that country is quite backward.
Sistem pendidikan di negara itu agak mundur.