classified
close
private
auricular
between us
chummy
closet
esoteric
fiducial
fiduciary
hush-hush
hushed
in petto
inside
intimate
not for publication
off the record
privileged
sealed
secret
thick
tried
trust
trustworthy
trusty
under privilege
unpublishable
amicable
candid
diplomatic
friendly
helpful
informal
lengthy
unofficial
urgent
consequential
credential
deferential
differential
essential
existential
experiential
exponential
inconsequential
inferential
influential
jurisprudential
nonessential
nonresidential
potential
preferential
presidential
providential
prudential
quintessential
residential
reverential
sequential
tangential
torrential
vice-presidential