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.
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.
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.
To mourn is to wonder at the strangeness that grief is not written all over your face in bruised hieroglyphics. And it's also to feel, quite powerfully, that you're not allowed to descend into the deepest fathom of your grief - that to do so would be taboo somehow. Meghan O'Rourke
Mental health needs a great deal of attention. It's the final taboo and it needs to be faced and dealt with. Adam Ant
The subject of death is taboo. We feel, perhaps only subconsciously, that to be in contact with death in any way, even indirectly, somehow confronts us with the prospect of our own deaths, draws our own deaths closer and makes them more real and thinkable. Raymond Moody
I don't think the idea of homosexuality is really taboo any more. Our culture is evolving. This is an exciting time to be living. Andrew Lang
In nicey-nicey land, you must be happy-clappy and positive all the time - bad news is taboo. Michael Leunig