in holes and corners

covert fraudulent furtive hidden hush-hush illicit surreptitious underground

artful cloak-and-dagger closet concealed foxy illegitimate on the Q.T. on the quiet private sneaky stealthy under wraps under-the-counter undercover underhand

aboveboard authorized honest known legal open public

forthright truthful

clandestinely secretly surreptitiously

by stealth furtively hush-hush in camera on the Q.T. on the quiet on the sly privately slyly stealthily sub-rosa under wraps undercover wildcat

candidly frankly honestly openly overtly publicly

behind closed doors behind someone's back by stealth clandestinely confidentially covertly furtively hush-hush in camera in confidence in secret in strict confidence insidiously intimately o obscurely on the Q.T.

clandestinely covertly furtively personally privately quietly stealthily surreptitiously

behind closed doors behind someone's back by stealth confidentially hush-hush in camera in confidence in secret in strict confidence insidiously intimately obscurely on the Q.T. on the quiet on the sly privily slyly sub-rosa under the table underhandedly unobserved

publicly

openly