An area that is lower than the surrounding surface, often used to describe geological formations.

A prolonged state of decline or a feeling of sadness.

गिरावट या उदासी की एक विस्तारित अवस्था।

English Usage: He felt an elongated depression in his mood after hearing the bad news.

Hindi Usage: बुरी खबर सुनने के बाद उसने अपने मूड में एक लम्बी उदासी महसूस की।