Monophobia is the fear of being alone or solitude. The origin of the word Mono is Greek (meaning one, single or alone) and phobia is Greek (meaning fear). Monophobia is considered to be a specific phobia, which is discussed on the home page. Monophobia is also linked to Eremophobia (Fear of being oneself or of loneliness), Eremiphobia (fear of being alone), Isolophobia (Fear of solitude or being alone) and Autophobia (Fear of being alone, by oneself, or solitude)