[ta.boo] also ta.bu adj [Tongan tabu] (1777) 1: forbidden to profane use or contact because of what are held to be dangerous supernatural powers
2. a: banned on grounds of morality or taste "the subject is ~" b: banned as constituting a risk "the area beyond is ~, still alive with explosives --Robert Leckie"
[2]taboo also tabu n, pl taboos also tabus (1777) 1: a prohibition against touching, saying, or doing something for fear of immediate harm from a supernatural force
2: a prohibition imposed by social custom or as a protective measure
3: belief in taboos [3]taboo also tabu vt (1777) 1: to set apart as taboo esp. by marking with a ritualistic symbol
2: to avoid or ban as taboo