bonnetless

From bonnet +‎ -less.

bonnetless (not comparable)

1. Without a bonnet.
   • 1913, Arthur Conan Doyle, “(please specify the page)”, in The Poison Belt […], London; New York, N.Y.: Hodder and Stoughton, →OCLC:

     The sidewalks too were littered with men and women, hatless and bonnetless, who had rushed out of the houses.