sing like a bird
make known
disembosom
let the cat out of the bag
keep one's lips sealed
exposure
confidence
pseudosecret
spill the beans
semisecret
yield up
hush-hush
semisecretly
secret
out
secretional
roll
hush up
occult
concealment
shoot off at the mouth
keep quiet
secretionary
furtive
leak
hideling
out with it
under the table
covert
semisecrecy
hidness
underhand
cryptadia
keep a lid on
secrecy
secretomics
hiding
concealing
under one's hat
darkness
keep
babble
divulgation
divulgement
mum's the word
secretly
clandescent
tell tales out of school
epopt
on the Q.T.
in secret
on the QT
cloakedly
divulgence
secretively
occulted
babble out
secernent
blab out
tattle
peach
tip one's hand
secretiveness
repository
blab
secretomic
silence
talk
tick a lock
sing
unsecret
breathe a word
conceal
unrevealed
keep to oneself
sensitive
something nasty in the woodshed
superarcane
telltale
divulge
let out
reveal
secretive
break
give away
discover
disclose
expose
bring out
let on