Unlikely to be discussed (5)
I believe the answer is:
taboo
(Other definitions for taboo that I've seen before include "Not to be touched or used, banned for religious reasons" , "Socially forbidden" , "Prohibited; ban" , "ruled out" , "No-no" .)
I believe the answer is:
taboo
(Other definitions for taboo that I've seen before include "Not to be touched or used, banned for religious reasons" , "Socially forbidden" , "Prohibited; ban" , "ruled out" , "No-no" .)