- 1a cultural or religious custom that does not allow people to do, use, or talk about a particular thing as people find it offensive or embarrassing an incest taboo a taboo against working on Sunday to break/violate a taboo Death is one of the great taboos in our culture.
- 2a general agreement not to do something or talk about something The subject is still a taboo in our family.
taboo
nounNAmE//təˈbu//, NAmE//tæˈbu//
(pl. taboos) taboo (against/on something) in the days when sex was a taboo subject Any talk of the divorce is strictly taboo.See taboo in the Oxford Advanced Learner's Dictionary
Check pronunciation: taboo