When an INTJ becomes angry, their behavior and demeanor can change significantly. Here is a detailed description of how an INTJ may behave when angry:

1. Intense and focused: INTJs are known for their ability to concentrate deeply on their thoughts and ideas. When angry, this intensity becomes even more pronounced. They may become laser-focused on the source of their anger, analyzing it from every angle and seeking to understand it fully.

2. Cold and detached: INTJs are typically logical and rational individuals, and this trait becomes more prominent when they are angry. They may appear emotionally detached, suppressing their feelings and focusing solely on the facts and logic of the situation. This can make them seem distant and unresponsive to others.

3. Direct and assertive: INTJs are not afraid to speak their minds, and this assertiveness becomes more apparent when they are angry. They will express their anger directly and clearly, often using concise and straightforward language. They may not sugarcoat their words or consider the impact they have on others, as their primary goal is to communicate their anger effectively.

4. Critical and analytical: INTJs have a natural inclination to analyze and critique situations, and this tendency intensifies when they are angry. They may dissect the actions and behaviors of others, pointing out flaws and inconsistencies. Their criticism can be sharp and precise, as they strive to identify the root cause of their anger and find a solution.

5. Withdrawn and solitary: While INTJs are generally introverted and prefer solitude, this preference becomes more pronounced when they are angry. They may withdraw from social interactions and isolate themselves to process their emotions and thoughts. They need time alone to regain their composure and reflect on the situation before engaging with others.

6. High standards and expectations: INTJs have high standards for themselves and others, and when they are angry, these expectations can become more apparent. They may become frustrated with perceived incompetence or inefficiency, and their anger may stem from a sense of disappointment in others' actions or behaviors.

7. Controlled and calculated: INTJs are known for their self-control and ability to remain composed even in challenging situations. When angry, they may exhibit a heightened level of control, carefully choosing their words and actions to ensure they are effective in conveying their anger. They may suppress their emotions to maintain a sense of control over the situation.

8. Solution-oriented: INTJs are natural problem solvers, and this trait remains present even when they are angry. They will focus on finding a solution to the issue that caused their anger, rather than dwelling on the emotions themselves. They may approach the situation with a strategic mindset, seeking to resolve the conflict efficiently and effectively.

Overall, an angry INTJ can be characterized as intense, logical, assertive, critical, and withdrawn. They may exhibit a strong desire for control and a focus on finding solutions to the problem at hand. It is important to note that while this description provides a general understanding of how an INTJ may behave when angry, individual differences and personal experiences can influence their specific reactions.