What best describes the feeling of isolation?

The concept of isolation is fundamentally tied to the experience of being set apart from others, which means feeling completely alone or disconnected. This feeling can manifest itself even when a person is physically within a group of people, as it relates more to emotional and psychological states than to physical presence.

Choosing to define isolation as being set apart from others encapsulates the essence of loneliness and the emotional struggles that can accompany this state. It emphasizes the lack of meaningful connection rather than mere physical absence from others. Understanding isolation in this way allows individuals to recognize the profound impact it can have on mental health and well-being.

The other options reflect situations where individuals are connected or engaged with others, which directly contrasts with the feeling of isolation. Being surrounded by family and friends or feeling integrated within a community suggests a sense of belonging and support, while being engaged in social activities denotes involvement and interaction, further distancing from the experience of isolation. Thus, the correct answer highlights the core meaning of isolation effectively.