paneless
/ˈpeɪn.lɪs/Definitions
1. adjective
having no panes or windows
“The architect designed a paneless conservatory for the modern home.”
2. adjective
having no panes or divisions
“The paneless design of the art studio allowed for a sense of openness and freedom.”
3. adjective
lacking panes or divisions, especially of glass
“The artist created a paneless glass sculpture that appeared to defy gravity.”