The phrase 'violate a taboo' is correct and usable in written English.
You can use it when you want to refer to when someone does something that is seen as wrong or socially unacceptable. For example: He violated a taboo when he revealed confidential information.
There would be no league reprimand for violating a taboo.
And he further violated a taboo by talking about the lobby, and its power.
Ayatollah Khamenei holds a semidivine authority in Iran, and burning his image violated a taboo.
The priest, who knows the country, warns him that his work party's spades are violating a taboo.
They did not have to worry about censorship, per se; unlike Chinese journalists, who could lose their jobs or go to jail if they violated a taboo, foreign correspondents sent their stories over the transom to their publications abroad.
A16 Human Cloning and Patents The University of Missouri has received a patent that some lawyers say may cover human cloning, potentially violating a taboo against the patenting of human beings.
So ingrained is the sense of decorum that even to utter a friendly hello to a neighbor as we pass on the stone stairs or the covered outdoor canopy, known as the Rope Walk, might be violating a taboo, as if a few words of small talk could break the spell of privacy we Albanians prize so deeply.
We defined "taboo" to mean a strong cultural warning or prohibition against an action, such that violating a taboo is an act of serious aberrance which can result in feelings of guilt or shame and/or direct or indirect social sanction.
Cis people using transmisogynist slurs are not violating a taboo when the use of such slurs is already broadly accepted among cis people.
