unidentifiable
blear
bleared
bleary
blurred
blurry
confused
dark
dim
faint
feeble
filmy
foggy
fuzzy
half-seen
half-visible
hazy
ill-defined
inconspicuous
indefinite
indistinct
indistinguishable
irrecognizable
low-profile
merely glimpsed
misty
obscure
out of focus
pale
semivisible
shadowy
uncertain
unclear
undefined
unplain
vague
weak
char
expressionless
extinct
foolproof
illegible
impassable
inaudible
indecipherable
nonexistent
oblivious
sightless
undefended
undetectable
uninhabitable
unintelligible
unmanageable
unnoticeable
unreadable
unscathed
valueless
advisable
inadvisable
realizable
recognizable
sizable
sizeable