abstruse
ambiguous
appeased
arcane
at ease
camouflaged
cant complain
classified
cloakanddagger
close
closet
comfortable
complacent
concept
confidential
content
contented
covered
covert
cryptic
dark
deep
disguised
esoteric
essence
fat dumb and happy
fulfilled
furtive
gratified
grunge
grungy
hidden
hushhush
ink
matter
miscellaneous
mysterious
mystic
mystical
obscure
occult
outoftheway
pleased as punch
private
quiet
rectangular
red
rubber
satisfied
secluded
secret
sign
stamp
symbol
tickled pink
undercover
undisclosed
unknown
unseen
willing