taboo

Meanings

Noun

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

Verb

• declare as sacred and forbidden

Adjective Satellite

• excluded from use or mention
  • "a taboo subject"
• forbidden to profane use especially in South Pacific islands

Synonyms

forbidden, out, prohibited, proscribed, tabu, verboten