slinking

dragging

crawling groveling hobbling inching quailing shambling shuffling skulking slithering sneaking squirming worming wriggling writhing

barely moving moving slowly on all fours

standing upright vertical

clandestine conspiratorial covert surreptitious

artful calculating cautious circumspect cloaked crafty creepy cunning disguised elusive evasive foxy guileful hidden hush-hush insidious masked scheming shifty skulking sly stealthy sub-rosa tricky under wraps under-the-table undercover underhand underhanded wily

aboveboard honest open

forthright truthful

crafty insidious lurking perfidious sneaky subtle treacherous venomous vipery virulent

forthright honest straight unwinding upfront

skulking sneak

catlike catty clandestine covert crafty cunning enigmatic feline furtive hush-hush noiseless private secret shifty silent slinky sly sneaky sub-rosa surreptitious under wraps undercover underhand wily

crafty

catlike catty clandestine covert cunning enigmatic feline furtive hush-hush noiseless private secret shifty silent skulking sly sneak sneaking sneaky sub-rosa surreptitious under wraps undercover underhand wily

open public

clandestine covert furtive hush-hush unauthorized

fraudulent hidden hole-and-corner on the Q.T. on the sly private skulking sly sneaking stealthy sub-rosa under wraps under-the-table undercover underhand veiled

aboveboard forthright honest open public truthful

authorized