impermissible
US /ˌɪm.pɚˈmɪs.ə.bəl/
UK /ˌɪm.pɚˈmɪs.ə.bəl/
1.
not permitted; forbidden
:
•
Such behavior is absolutely impermissible in this establishment.
•
It is impermissible to use copyrighted material without permission.
not permitted; forbidden