A taboo word is a term that is considered inappropriate or offensive to use because it goes against the accepted standards or cultural norms of a particular society. Full definition
A new paper by scholars at the University of Illinois suggests that the physiological and psychological effects of profanity and other taboo words on people who read or hear them may be due largely — but not entirely — to the context and individual audience members» likelihood of being offended. (sciencedaily.com)
We want to use more taboo words when we are emotional. (mommyish.com)
«Depending on the identity of the speaker and the appropriateness of the situation in which they say it, a given taboo word may have stronger or weaker psychological and / or physiological effects on the listener.» (sciencedaily.com)