Someone is angry at you. Maybe they told you directly. Maybe you can feel it in the way they are responding, the short messages, the cold tone, the way they stopped reaching out. Either way there is anger between you and you need to respond to it.
Most people do one of two things in this situation. They get defensive, which escalates everything. Or they go silent and avoid the person, which lets resentment build into something larger than the original issue ever was. Neither of those things resolves anything.
Your first instinct is usually wrong
When someone is angry at you, your nervous system reads it as a threat. The instinct is to protect yourself, either by explaining why they are wrong to be angry, or by withdrawing to avoid more conflict. Both of those responses make sense physiologically. Neither of them actually helps.
Explaining why their anger is unjustified tells them their feelings are wrong, which makes people angrier, not less. Withdrawing tells them that when things get hard you disappear, which erodes trust.
The response that actually works is the one that does neither of those things.
Acknowledge before you explain
The most effective first move when someone is angry at you is to acknowledge that they are angry before you say anything else. Not to agree that you were wrong necessarily, but to recognize that they are hurt and that their feelings are real.
"I can see that I've upset you and I take that seriously" is a complete first sentence. It does not concede fault on anything specific. It simply signals that you are not dismissing what they feel. That signal alone often reduces the temperature of the conversation enough for something productive to happen.
Ask before you defend
If you are not entirely sure what they are angry about, ask before you defend yourself. "Can you help me understand what specifically upset you?" buys you information and also signals that you are genuinely trying to understand rather than already preparing your counter-argument.
People who are angry often need to feel heard before they can hear anything back. Asking them to explain gives them that chance and gives you a clearer picture of what you are actually dealing with.
Do not match their energy
If someone comes at you with heat, responding with the same level of intensity almost always makes things worse. The conversation escalates, people say things they regret, and the original issue gets buried under layers of new ones.
Staying calm when someone is angry at you is genuinely difficult. It is also the single most effective thing you can do. A calm response to an angry one often brings the temperature down on its own, because it breaks the pattern the other person's nervous system is expecting.
When you need to put a response in writing
Sometimes responding in person is not possible or not the right call, and you need to send a message that acknowledges their anger without escalating things further. unsaidit can help you find the right tone for exactly this kind of message — direct enough to show you are not avoiding it, calm enough not to make things worse.