prohibendus

Etymology
Future passive participle (gerundive) of.

Participle

 * 1) which is to be held back, which is to be kept off, which is to be restrained, which is to be averted; which is to be prevented, which is to be hindered
 * 2) which is to be forbidden, which is to be prohibited
 * 3) which is to be kept, which is to be preserved, which is to be defended, which is to be protected