Definition of taboo :
1. A total prohibition of intercourse with, use of, or approach to, a given person or thing under pain of death, - an interdict of religious origin and authority, formerly common in the islands of Polynesia; interdiction.
2. Set apart or sacred by religious custom among certain races of Polynesia, New Zealand, etc., and forbidden to certain persons or uses; hence, prohibited under severe penalties; interdicted; as, food, places, words, customs, etc., may be taboo.
3. To put under taboo; to forbid, or to forbid the use of; to interdict approach to, or use of; as, to taboo the ground set apart as a sanctuary for criminals.
absolution, in contravention of something, ban, hinder, prohibited, gross, interdiction, sordid, perverted, debar, article of faith, forbiddance, horrific, proscribed, restrain, interdict, deviant, blasphemous, reserved, no-go area, blessing, evil, prohibition, restricted, indecent, outrageous, bless, out, horrifying, angelic, disallowance, angel, proscribe, disallow, banned, tabu, proscription, appalling, out of bounds, outlawed, prevent, amoral, interdicted, no-go, prohibit, disgusting, exclude, frown upon, archangel, horrendous, unethical, holy, allow, sinful, impermissible, barred, inhibition, sacred, scandalous, nonperson, restrict, immoral, blasphemy, blaspheme, veto, shocking, wicked, circumscribe, forbid
illegal (part of speech: adjective)
- I thought Margaret was taboo? - "There was a King in Egypt", Norma Lorimer.
- Of what use is history to the ritual- taboo culture? - "Anything You Can Do ...", Gordon Randall Garrett.
- She had got it the other day to serve as understudy for the gold bag which was " taboo" for public use at present. - "The Port of Adventure", Charles Norris Williamson and Alice Muriel Williamson.