heart-to-heart
tete-a-tete
head-to-head
private
intimate
tête-à-tête
close-tiled
eavesdropper
have a quiet word
have a word in someone's ear
homely
intimacy
pillow talk
eavesdropping
privately
oration
boudoir
heart of hearts
confide
hail-fellow
in petto
under the rose
esoteric
inside
secret
intimately
in secret
ultraintimate
tryst
assignation
kissy-kissy
collogue
in camera
cuddlefest
lonesomely
sexual relationship
tete a tete
inwardly
auricular
amicitial
parlour
sitting room
dirty linen
living room
private message
connected
private language
parlor
front room
living-room