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1. Excluded from use or mention
   "a taboo subject";
   - forbidden, out, prohibited, proscribed, tabu, verboten
    
2. Forbidden to profane use especially in South Pacific islands
   - tabu

1. A prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
   - tabu
    
2. An inhibition or ban resulting from social custom or emotional aversion
   - tabu

1. Declare as sacred and forbidden

Derived forms: tabooed, tabooing, taboos

See also: impermissible, sacred

Type of: bias, control, inhibition, preconception, prejudice, restrict

Encyclopedia: Taboo