noun, feminine/pʁɔ.mis.kɥi.te/plural: promiscuités
promiscuité is feminine in French.
crowding, lack of privacy
“en cas de promiscuité dans les espaces fermés ou lors de grands rassemblements” — in the event of crowding in closed spaces or during large gatherings
Related: promiscuité sexuelle
From New Latin prōmiscuitās. By surface analysis, promiscu + -ité.