We recommend “Rethinking loneliness” Rachel Botsman’s September newsletter. She uses the definition that we also find necessary to understand the essence of experiencing loneliness in the workplace:
“Social psychologists define loneliness as a subjective gap between the human connections we’d like to have and those we experience in our life”.
https://www.linkedin.com/pulse/why-loneliness-work-something-we-should-talking-rachel-botsman/