Final answer:
The term used to describe something that is forbidden is taboo.
Step-by-step explanation:
The term used to describe something that is forbidden is taboo. Taboo refers to activities, behaviors, or customs that are considered socially or culturally unacceptable or forbidden. Such taboos vary across different societies and can include topics related to religion, sexuality, death, or certain prohibited actions. For example, in some cultures, it may be taboo to eat certain types of meat, while in others, it may be taboo to talk openly about personal emotions.
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