forbid

Those gray boxes are forbidden from human speech, not by choice of some High Council or the International Phonetic Association, but just because of the limitations of being human.

Some Muslims called it blasphemous, arguing that a mixed-gender, woman-led public prayer was forbidden by Islamic law.

And even after gaining their independence, many former colonies maintained laws forbidding homosexuality.

Finally, these lines carry some awful stuff that we do not want leaking into the ground or, heaven forbid, into the drinking water supply whose lines are almost always nearby.