pseudosecret
dark
off-the-record
occulted
concealment
mum
crypto-
under wraps
subterranean
keep a lid on
cryptadia
closehanded
hiding
concealing
supersecret
underhand
under the covers
secretomal
hidness
on the down-low
submerged
secrecy
exposure
hypersecrecy
closehandedness
spill the beans
out
top secret
secernent
backstage
yield up
darkness
ultrasecret
clandescent
confidence
covert
under one's hat
oyster
secret
air one's dirty laundry in public
underwrapped
occult
closeness
asecretion
sub rosa
let the cat out of the bag
masked
tip one's hand
secretomics
hush up
unrevealed
semisecrecy
on the hush
make known
-crypt
in petto
closet
silence
secretiveness
confidentiality
unsecrecy
nonsecretable
nonsecrecy
backroom
private
hypersecretion
obvelation
on the Q.T.
on the QT
conceal
oversecrete
underhanded
in secret
secretly
shoot off at the mouth
keep from
hugger-mugger
leak out
secretive
mystery
stall
divulgation
under the table
lithia emerald
entrust
buried
nonsecret
behind the scenes
cloakedly
something nasty in the woodshed