semi-fast
adjUK /sɛmi.fɑːst/
Etymology From semi- + fast.
1
Moderately fast; often used to describe a train service which doesn't stop at every station.
- 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.2019 November 6, Robert Drysdale, “Wires offer boost to Borders revival”, in Rail, page 44: