Forlorn dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Internet Archive - Anonymous

To feel Forlorn or Miserable is a bad sign, unless in your dream you regain a cheerful state of mind.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 2 — Ibn Seerin

(See Deserted)
Source: Islamic Dream Interpretation Author: Ibn Seerin