oppositional
US /ˌɑː.pəˈzɪʃ.ən.əl/
UK /ˌɑː.pəˈzɪʃ.ən.əl/

1.
pembangkang, bertentangan
relating to or characteristic of opposition
:
•
The party took an oppositional stance on the new policy.
Parti itu mengambil pendirian pembangkang terhadap dasar baharu.
•
His oppositional behavior often led to arguments.
Tingkah laku pembangkangnya sering menyebabkan pertengkaran.