taboo

banned outlawed prohibited tabu unthinkable

disapproved forbidden proscribed reserved restricted unmentionable

beyond the pale frowned on illegal off-limits out of bounds ruled out unacceptable

OK acceptable allowed mentionable

anathema inhibition no-no prohibition stricture superstition

ban disapproval forbiddance interdict law limitation proscription regulation reservation restraint restriction sanction

don't religious convention social convention thou-shalt-not

freedom lawlessness release

allowance mentionable