RichThesaurus
off-the-books
off-the-books
synonyms
secret
secretive
sub rosa
slinky
surreptitious
stealthy
on the sly
under-the-table
under wraps
sneaky
under the radar
underground
on the down-low
undercover
sly
behind the scenes
obfuscated
off the books
confidential
huggermugger
clandestine
cloak-and-dagger
lurksome
catlike
hush-hush
concealed
low profile
furtive
inconspicuous
lurky
abstruse
dern
covert
incognito
disguised
off-the-books
definitions