prohibitive

• adj.

• 禁止する、謹製の。(値段が)ひどく高い、(税が)極端に重い。勝利(など)が間違いない

clozapine is generally prescribed only after several other alternative neuroeptic medications have failed, because of the possibility of agranulocytosis and the drug's prohibitive cost.

関

abstinent, ban, forbid, interdict, prohibit, prohibition, prohibitively