- associated or originating with household servants.
- secret, underhanded, or scandalous: backstairs gossip.
- a secondary staircase in a house, esp one originally for the use of servants
adjective Also: backstair
- underhandbackstairs gossip
“stairs at the back of a structure,” 1650s, from back (adj.) + stairs (see stair). Figurative use is attested earlier (1640s).