impermissible
adjective /ˌɪmpɜːˈmɪsəbl/
/ˌɪmpɜːrˈmɪsəbl/
- that cannot be allowed
- an impermissible invasion of privacy
- He said that this behaviour was impermissible in a democratic society.
- The opposition argued that combining state and party posts in this way was impermissible.