1.  prohibited(s = adj.all) forbidden, out, proscribed, taboo, tabu, verboten - excluded from use or mention; "forbidden fruit"; "in our house dancing and playing cards were out"; "a taboo subject"

2.  prohibited(s = adj.all) banned - forbidden by law;

N  prohibition, inhibition, veto, disallowance, interdict, interdiction, injunction, estoppel, embargo, ban, taboo, proscription, index expurgatorius, restriction, hindrance, forbidden fruit, Maine law, prohibitive, prohibitory, proscriptive, restrictive, exclusive, forbidding, prohibited, not permitted, unlicensed, contraband, impermissible, under the ban of, illegal, unauthorized, not to be thought of, uncountenanced, unthinkable, beyond the pale, on no account, Int, forbid it heaven!, hands off!, keep off!, hold!, stop!, desist!, cease and desist!, avast!, that will never do, don't you dare, forget it, don't even think about doing it, go ahead, make my day.

N  illegality, lawlessness, illicitness, breach of law, violation of law, infraction of the law, disobedience, unconformity, arbitrariness, antinomy, violence, brute force, despotism, outlawry, mob law, lynch law, club law, Lydford law, martial law, drumhead law, coup d'etat, le droit du plus fort, argumentum baculinum, illegality, informality, unlawfulness, illegitimacy, bar sinister, trover and conversion, smuggling, poaching, simony, outlaw, bad man, v, offend against the law, violate the law, infringe the law, break the law, set the law at defiance, ride roughshod over, drive a coach and six through a statute, ignore the law, make the law a dead letter, take the law into one's own hands, smuggle, run, poach, illegal, unlawful, illegitimate, not allowed, prohibited, illicit, contraband, actionable, unwarranted, unwarrantable, unauthorized, informal, unofficial, injudicial, extrajudicial, lawless, arbitrary, despotic, despotical, corrupt, summary, irresponsible, unanswerable, unaccountable, expired, invalid, unchartered, unconstitutional, null and void, a dead letter, lawless, unregulated, illegally, with a high hand, in violation of law.