Exact Match:
- backstairs
- a second staircase at the rear of a building
Synonyms:
- back-door,
- clandestine,
- covert,
- feline,
- furtive,
- hidlings,
- hole-and-corner,
- hugger-mugger,
- privy,
- quiet,
- shifty,
- skulking,
- slinking,
- slinky,
- sly,
- sneaking,
- sneaky,
- stealthy,
- surreptitious,
- under-the-counter,
- under-the-table,
- undercover,
- underground,
- underhand,
- underhanded,
- unobtrusive