n.

the state of being alone in solitary isolation

同義詞：loneliness

the disposition to enjoy being alone

The Solitariness of Alex Miller
Hannah Arendt and the Solitariness of Thinking
The solitariness of self and its mitigation through creative imagination
Social Participation Versus Solitariness in Play
Analysis on Causes of CHEN Ran's Solitariness
Serotonin enhances solitariness in phase transition of the migratory locust
Reef-formation versus solitariness in two New Zealand serpulids does not involve cryptic species
Measurement for Solitariness and Gregarism: Analysing Spacing, Attraction and Interactions in Four Species of Zetoborinae (Blattaria)
Analysis of solitariness in a parasite—host system ( Muscidifurax raptor , Hymenoptera: Pteromalidae— Ceratitis capitata , Diptera...
Territoriality and Conflict Avoidance Explain Asociality (Solitariness) of the Endosymbiotic Pea Crab Tunicotheres moseri