名词

1. 孤独；寂寞
Loneliness is the unhappiness that is felt by someone because they do not have any friends or do not have anyone to talk to.

1. a disposition toward being alone

Synonym: alonenesslonesomenesssolitariness

2. sadness resulting from being forsaken or abandoned

Synonym: forlornnessdesolation

3. the state of being alone in solitary isolation

Synonym: solitariness