inaccessible
offish
standoffish
unaccessible
Olympian
aloof
antipodean
austere
back of beyond
backward
bashful
beyond compare
beyond comparison
beyond reach
blank
chilled
chilly
closed forever to
closed to
cold
constrained
cool
detached
discreet
distant
easily first
exclusive
expressionless
facile princeps
forbidding
frigid
frosty
godforsaken
guarded
hyperborean
icy
immortal
impassive
impenetrable
impersonal
impervious
incomparable
inimitable
insociable
introverted
invincible
lost to
matchless
modest
nulli secundus
out of reach
godlike
immovable
imperious
impregnable
incomprehensible
inconceivable
inscrutable
invulnerable
majestic
morose
transcendent
unattainable
unbending
unknowable
unresponsive
untouchable