unlivable
unliveable
untenantable
flabbergasted
foolproof
impassable
impervious
inapplicable
inhospitable
inoperative
nonexistent
trackless
treeless
uncultivated
undefended
undetectable
unfrequented
uninhabited
unobtainable
unpopulated
unrecognizable
unscathed
untenanted
valueless
waterless
habitable