tabu

Meaning

adjective

1. forbidden to profane use especially in South Pacific islands
2. excluded from use or mention
   “forbidden fruit”

noun

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

Synonyms for tabu

• taboo
• sacred
• forbidden
• out
• prohibited
• proscribed
• verboten
• impermissible