Definition of "taboo" in English

noun

1. An inhibition or ban that results from social custom or emotional aversion.

2. (in Polynesia) Something which may not be used, approached or mentioned because it is sacred.

adjective

1. Excluded or forbidden from use, approach or mention.

   • Incest is a taboo subject in most soap operas.
   • Sweets and fats are strictly taboo in my home.

2. Culturally forbidden.

verb

1. To mark as taboo.

2. To ban.

3. To avoid.