Webster's 1828 Dictionary
PROHIBITED
pp. Forbid; interdicted; hindered.
New American Oxford Dictionary
prohibited
pro hib it ed |prəˈhibitid, prō -prəˈhɪbɪtɪd | ▶adjective that has been forbidden; banned: they had deliberately fed prohibited material to their herd.
Oxford Dictionary
prohibited
pro |hib ¦it ¦ed |prə (ʊ )ˈhɪbɪtɪd | ▶adjective that has been forbidden; banned: they had deliberately fed prohibited material to their herd.
prohibited degrees
pro |hib ¦it ¦ed de |grees ▶plural noun another term for the forbidden degrees (see forbidden ).
American Oxford Thesaurus
prohibited
prohibited adjective smoking is prohibited: illegal, illicit, taboo, against the law, verboten; informal out, no go; formal non licet. ANTONYMS permitted.
Oxford Thesaurus
prohibited
prohibited adjective smoking is prohibited in many public places in Britain: forbidden, banned, not allowed, not permitted, illegal, illicit, against the law, barred, vetoed, proscribed, embargoed, disallowed, outlawed, contraband; taboo; Latin non licet; German verboten; Islam haram; NZ tapu; informal no go.