clandestine 11 Associations

cloak-and-dagger hole-and-corner hugger-mugger hush-hush secret surreptitious undercover

concealed 9 Associations

bushwhacking (similar term) dark (similar term) furtive (similar term) sneak (similar term) sneaky (similar term) stealthy (similar term) surreptitious (similar term)

furtive 7 Associations

sneak sneaky stealthy surreptitious concealed (similar term)

secret 6 Associations

clandestine cloak-and-dagger hole-and-corner hugger-mugger hush-hush surreptitious undercover