1. a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature

    Synonyms : tabu
    Type Of : prejudice, bias, preconception
  2. an inhibition or ban resulting from social custom or emotional aversion

    Synonyms : tabu
    Type Of : inhibition
  3. excluded from use or mention

    Synonyms : forbidden, out, prohibited, proscribed, tabu, verboten
    Examples :
    • a taboo subject
  4. forbidden to profane use especially in South Pacific islands

    Synonyms : tabu
  5. declare as sacred and forbidden

    Type Of : control, restrict