facilities UK /fəˈsɪlɪtiz/US /fəˈsɪlɪdiz/ noun[plural only]2 •(euphemistic) Facilities for urination and defecation: a toilet; a lavatory.I christened the facilities, shrugged into my windbreaker, and met Dolan at his door. — 2002 •Synonym of facility in certain contexts.