Loneliness

Part of speech: noun (n.)

1. The condition of being lonely; solitude; seclusion.

2. The state of being unfrequented by human beings; as, the loneliness of a road.

3. Love of retirement; disposition to solitude. I see The mystery of your loneliness. Shak.

4. A feeling of depression resulting from being alone.

Synonyms: Solitude; seclusion. See Solitude.