solitude
seclusion / isolation / loneliness
Noun
This term carries a dual emotional valence. It often describes a chosen, positive state of seclusion where one finds peace, spiritual renewal, or creative focus. In this sense, it is a luxury or a sanctuary. Conversely, it can describe a forced or oppressive state of isolation. While loneliness is the emotional pain of being alone, solitude is the objective state of being alone, which may lead to loneliness if the isolation is unwanted or prolonged.