1. (adj)furtive, sneak(a), sneaky, stealthy, surreptitious marked by quiet and caution and secrecy; taking pains to avoid being observed Antonyms: open, unconcealed, overt
2. (adj)backstair, backstairs, furtive secret and sly or sordid Synonyms: furtive, sneaky, backstair, stealthy, sneak(a), surreptitious, backstairs Antonyms: overt, unconcealed, open