Informal. a room padded with foam rubber for the confinement of a violent mentally ill person.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rubber room in a sentence
He spent three days in a rubber room wearing a plastic smock before returning.
Like New York City schoolteachers consigned to the “rubber room,” Lerner cannot be easily dismissed.The Taxonomy of Scandals: Is Obama Nearing a Breaking Point? | Lloyd Green | May 27, 2013 | THE DAILY BEAST