prohibited
/prə(ʊ)ˈhɪbɪtɪd
/adjective
That has been forbidden; banned: they had deliberately fed prohibited material to their herd...
- The Chief of Navy, VADM Chris Ritchie, said he was determined to eliminate the use of prohibited drugs in the navy.
- The US only allows stem cell research in privately funded laboratories - cloning is prohibited.
- In the present case it is such a prohibited item.