recluse
1. [ noun ] one who lives in solitude
Synonyms: troglodyte solitary solitudinarian hermit
Related terms: loner John_the_Baptist
2. [ adjective ] withdrawn from society; seeking solitude
Synonyms: withdrawn reclusive
Examples:

"lived an unsocial reclusive life"

Related terms: unsocial
Similar spelling:   reclusive
  Regulus
  Reglaecus