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

Interpretation 1 — Ibn Seerin

(Mourning, Wailing, Yowling) Lamenting and desiring something in a dream connotes evil. Lamentation in a dream also represents a preacher or it could represent a putrid odor that comes from opening the door of a filthy lavatory. Lamentation in a dream also represents dogs’ yowling, drum beating, the ringing sound of cymbals, or it could mean a wedding. Sitting in a place where people are lamenting and mourning their dead in a dream means that an ominous evilmaytake place in that locality, or perhaps it could mean separation between families and friends.

If one sees himself mourning a deceased person in a dream, it means that harm will come to him from the descendents or family of the departed person. Lamenting with great pain and sorrow and mourning over a deceased person in a dream also means waking up to a great joy and happiness. Lamenting in a dream also means adversities which are driven by the person who is lamenting. It also means going astray, or it could denote a flute, as the flute denotes lamenting in a dream. Lamenting in a dream also represents the work of ignorance.

Source: Islamic Dream Interpretation Author: Ibn Seerin

Interpretation 2 — Dream Explanations - Anonymous

See Cry and Regret.
Source: Strangest Dream Explanations Author: Dream Explanations - Anonymous