Definition from Wiktionary, the free dictionary
backless (not comparable)
- having no back, said of things that typically have backs, such as chairs or dresses
- a backless surgical gown
- 1885, George Moore, A Mummer's Wife
- The apartment was almost dismantled; chairs lay backless about the floor amid china shepherdesses and toreadors; pictures were thrown over the sofa,...
- (of a person) having an uncovered back, having a back that shows skin
having no back