RichThesaurus
back-alley
back-alley
synonyms
covert
sneaky
hugger-mugger
hole-and-corner
cloak-and-dagger
surreptitious
secret
hidden
furtive
clandestine
sly
underhand
undercover
backstairs
closet
conspiratorial
private
concealed
underground
stealthy
black
shrouded
hush-hush
veiled
scheming
dishonest
confidential
slim
bent
designing
conniving
treacherous
dubious
dodgy
dishonorable
dirty
murky
cunning
shady
lowdown
secretive
unethical
cheating
calculating
sneaking
fraudulent
unprincipled
underhanded
snide
fishy
more synonyms
back-alley
antonyms
above board
overt
open
honest
fair