English edit

Etymology edit

flat +‎ -dom

Noun edit

flatdom (uncountable)

  1. (chiefly UK) The realm or sphere of apartment buildings.
    • 1930, Clifford James Wheeler Hosken, The Man in the Red Hat, page 16:
      He drove to Chillesford Mansions in the dusk of the next afternoon full of hope that was only mildly damped by the drab uniformity of West Kensington flatdom.