prohibitoryприлагательное Serving or intended to prohibit or forbid something. The prohibitory signs at the entrance made it clear that trespassing was not allowed.
Relating to or involving a prohibition, especially by law. The prohibitory laws against smoking in public places have been strictly enforced.
So high in cost or burden as to deter or effectively prevent an action or purchase. The prohibitory price of the tickets kept many fans from attending the concert.