"surreptitious" in German surreptitious heimlich verstohlen Detailed translations for "surreptitious" surreptitious surreptitious(also: by stealth, crypto, backdoor, hidden) heimlich surreptitious(also: backdoor) verstohlen{adjectiv} English synonyms for "surreptitious" surreptitious {s} clandestine cloak-and-dagger furtive hole-and-corner(a) hugger-mugger hush-hush secret sneak(a) sneaky stealthy undercover underground