English edit

Etymology edit

From semi- +‎ fast.

Pronunciation edit

Adjective edit

semi-fast (not comparable)

  1. Moderately fast; often used to describe a train service which doesn't stop at every station.
    • 2019 November 6, Robert Drysdale, “Wires offer boost to Borders revival”, in Rail, page 44:
      Detailed route and timetable assessments undertaken by CBR [...] have shown that a service of two stopping trains per hour to Gorebridge, plus two semi-fast trains to Tweedbank, could be accommodated after the implementation of only three infrastructure projects.