Solitary

単一の

tan'itsu-no

(single; individual; sole)

単独の

(performed, passed, or endured alone)

孤立した

koritsu-shita

(not much visited or frequented; remote from society)

無人の

mujin-no

(not inhabited or occupied)

独居の

dokkyo-no

(living alone or being by oneself)

独居者

dokkyosha

(one who lives alone)

隠者

inja

(one who lives alone)