inactive
possible
potential
abeyant
abstruse
apathetic
arcane
beclouded
behind the curtain
behind the scenes
between the lines
blind
buried
cabalistic
camouflaged
cataleptic
catatonic
censored
classified
close
closed
clouded
concealed
covered
covert
cryptic
dark
dead
delitescent
disguised
dopey
dormant
dull
eclipsed
enigmatic
esoteric
flat
foul
groggy
heavy
hermetic
hibernating
hid
hidden
hush-hush
idle
immature
imperceptible
in a cloud
in a fog
latency
deep-seated
inexplicable
inherent
innate
instinctive
intense
inward
overwhelm
psychic
racial
sexual
unsuspected
blatant
patent