RichThesaurus
under the radar
under the radar
synonyms
under-the-table
undercover
under wraps
underground
confidential
hush-hush
catlike
obfuscated
sub rosa
disguised
inconspicuous
on the down-low
off the radar
stealthy
low profile
furtive
concealed
covert
dern
behind the scenes
on the sly
abstruse
off-the-books
surreptitious
huggermugger
clandestine
secret
incognito
sly
lurky
lurksome
sneaky
slinky
secretive
cloak-and-dagger
behind someone's back
under the table
behind the scenes
under wraps
in secret
behind closed doors
in confidence
on the down-low
off the radar
under the radar
definitions
prep
Without attracting notice; in an undetected or secretive manner.