proscribed by society as improper or unacceptable: Taboo language is usually bleeped on TV. Synonyms: prohibited, banned, forbidden, proscribed. Antonyms: allowed, permitted, permissible; sanctioned.
prohibited or excluded from use or practice: In art school, painting from photographs was taboo.
(among the Polynesians and other peoples of the South Pacific) separated or set apart as sacred; forbidden for general use; placed under a prohibition or ban. Synonyms: sacrosanct, inviolable.
a prohibition or interdiction of anything; exclusion from use or practice: One of the strongest taboos in all modern societies is against incest. Synonyms: ban, proscription, embargo, interdiction; no-no.
the system, practice, or act whereby things are set apart as sacred, forbidden for general use, or placed under a prohibition or interdiction. the condition of being so set apart, forbidden, or interdicted.