babble out
peach
babble
blab
sing
let the cat out of the bag
tattle
spill the beans
talk
blab out
details
inside information
leak
confidentialised
shoot off at the mouth
skinny
news leak
shut one's mouth
keep quiet
keep one's mouth shut
tell tales out of school
nonconfidential
make known
privily
under one's hat
confidentiality
confidentially
confide
hush-hush
know where the bodies are buried
divulgeable
tattling
talebearing
leaky
let in on
underhand
blabbermouthed
professional secrecy
mum
exposure
open the kimono
leak out
confidentialness
telling
confidence
get wind of
closehandedness
vouchsafe
hole-and-corner
top secret