1. 单独; 隐居; 单个; 独处 (名)：solitariness 单独; 隐居; 单个; 独处 (名) | solitary confinement 单独监禁; 单独拘禁 | solitude 孤独, 孤寂, 单独 (名)
noun
1. a disposition toward being alone
Synonym: aloneness loneliness lonesomeness
2. the state of being alone in solitary isolation
Synonym: loneliness