User: Summarize what it is means to feel threatened?
Assistant: Feeling threatened implies that someone or something is communicating or suggesting that they will inflict harm on you or your being.  This is generally considered to be an intimidation tactic suggesting that if you do not comply, you will be harmed.  Threats are not always physical, they can be emotional, financial, spiritual amongst many other types.  Making threats depending on their severity can be considered illegal.