unspeakables n.
(US) petticoats, underskirts.
![[US]](/static/img/flags/us.png "United States") | Nat. Police Gaz. (NY) 22 Feb. 2/2: Lillian Price, the pretty skirt dancer, who rustles her unspeakables and kicks up her legs with the London Gaiety Company [...] Our actresses seem more than everdesirous of showing off their black underwear. |