backward
US /ˈbæk.wɚd/
UK /ˈbæk.wɚd/

1.
2.
atrasado, subdesenvolvido
having made less than normal progress; undeveloped
:
•
Some regions are still economically backward.
Algumas regiões ainda são economicamente atrasadas.
•
The education system in that country is quite backward.
O sistema educacional naquele país é bastante atrasado.