solitudinous
timid
self-centration
unsure
self-luminous
on one's tod
solipsism
shy
anonymity
diffident
selflessness
self-confidence
individualism
sen
namelessness
inconsistent
self-distrust
self-doubt
navel-gazey
lonesomeness
self-flagellatory
diffidence
autoduality
proprium
ego-self
abandonment
isolationist
stew in one's juices
illeity
self-propelling
autognostic
uroboric
Robinson Crusoe
on one's lee-lane
self-deprecation
selfsome
autopurification
anachoretic
tod
it's lonely at the top
self-centeredness
under one's own steam
stand on one's own bottom
self-awareness
self-adjointness