Personality compatibility refers to how well two individuals' personalities align and interact with each other. It is often assessed through various traits, such as extroversion, agreeableness, and openness. When people have compatible personalities, they tend to communicate effectively, resolve conflicts easily, and enjoy each other's company, leading to stronger relationships. Factors influencing personality compatibility include shared values, interests, and communication styles. Tools like personality tests can help individuals understand their traits and how they may complement or clash with others. Ultimately, personality compatibility plays a significant role in the success of friendships, romantic relationships, and teamwork.