English edit

Etymology edit

From un- +‎ rostered.

Adjective edit

unrostered (not comparable)

  1. Not rostered.
    • 1961 January, “The North-East London electrification of the Great Eastern Line”, in Trains Illustrated, pages 17–18:
      [...] and the introduction of standard train formations with the elimination of all trains made up of unrostered or non-gangwayed stock.