Dictionary.com
definitions
  • synonyms

rubber room

See more synonyms for rubber room on Thesaurus.com
noun
  1. Informal. a room padded with foam rubber for the confinement of a violent mentally ill person.
Show More

Origin of rubber room

First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for rubber room

bedlam, madhouse, bughouse, nuthouse, sanatorium, sanitarium, asylum