lonerism

noun

1. (uncountable)A tendency for excessive solitary behavior.

   “People really do need people, but the loner does not believe this. Loners spend most or all of their time by themselves, like a person with a “Do Not Disturb” sign around his or her neck, and become annoyed or even anxious if they are forced to endure the company of other people. Some of the major causes of lonerism have already been discussed, as in the case of Roy.”

   “Yet even in this personal agonising, I fought shy of anything that smacked of fanatical lonerism.”

   “As long as someone who can help me troubleshoot is within actual or virtual reach I will be more successful than if I engage in lonerism, trying to figure it all out by myself.”