1. in a way that is lonely, sad, and without hope or comfort
2. in a way that is empty, barren, or devoid of life or activity

Examples

• She stared desolately out the window at the empty street.
• The old house stood desolately on the hill, abandoned for decades.
• He walked desolately through the park after hearing the bad news.
• The landscape stretched desolately across the horizon with no sign of life.
• She spoke desolately about her future, having lost all hope.
• The town looked desolately quiet on that cold winter morning.