undecorated
- a not decorated with something to increase its beauty or distinction
- In the same vein, Loyrette has commissioned American Cy Twombly to paint one of the museum's last undecorated ceilings.
- The white corridor walls inside are largely undecorated; there's a Jewish awareness week flyer, a poster about recent thefts in the dorm, announcements for various groups on .
- He receives visitors in spare, undecorated offices in downtown Tehran and often runs meetings seated on the floor and wearing a plain black robe.