privately
close-tiled
homely
intimate
have a quiet word
have a word in someone's ear
in petto
à deux
tête-à-tête
private
private message
inside
inwardly
esoteric
under the rose
in secret
auricular
independently
secret
tete-a-tete
head-to-head
live
anonymously
personally
privy
doggo
out of sight
in hiding
closet
heart of hearts
eavesdropper
eavesdropping
confidentially
concealedly
privateness
private means
whisper
in camera
offline
sub rosa
confidant
private language
keep one's own counsel
solitudinously
nonprivate
tete a tete
on the hush
confide
have a word
seclusively