—n. (pl. taboos or tabus)
1 a system or the act of setting a person or thing apart as sacred or accursed.
2 a prohibition or restriction imposed by social custom.
—adj.
1 avoided or prohibited, esp. by social custom (taboo words).
2 designated as sacred and prohibited.
—v.tr. (taboos, tabooed or tabus, tabued)
1 put (a thing, practice, etc.) under taboo.
2 exclude or prohibit by authority or social influence.
Etymology: Tongan tabu
Useful english dictionary. 2012.