This is the 3287th most frequent French word.
tabou
Prohibited or restricted by social or cultural norms.
Used as a noun to refer to a prohibited or restricted topic.
Le sujet était considéré comme un tabou dans la conversation.
The subject was considered taboo in the conversation.
Used as an adjective to describe actions or subjects that are socially prohibited.
Il est tabou de parler de politique à table dans cette famille.
It is taboo to talk about politics at the table in this family.
Used as a plural noun to signify multiple prohibited actions or subjects in a cultural context.