having no or few dividing walls between areas: an open-plan office floor
WordReference Random House Unabridged Dictionary of American English © 2026
o′pen plan′,
o′pen-plan′, adj.
- Architecturea floor plan without fully enclosed spaces for distinct rooms. Cf. closed plan.
- 1935–40
Collins Concise English Dictionary © HarperCollins Publishers::
'open-plan office' also found in these entries (note: many are not synonyms or translations):