impermissible

US /ˌɪm.pɚˈmɪs.ə.bəl/
UK /ˌɪm.pɚˈmɪs.ə.bəl/
"impermissible" picture
1.

不允许的, 禁止的

not permitted; forbidden

:
Such behavior is absolutely impermissible in this establishment.
这种行为在本机构是绝对不允许的
It is impermissible to use copyrighted material without permission.
未经许可使用受版权保护的材料是不允许的