half-filled

adj

adj

Holding or containing only half of its capacity.

[…] although overcrowding on the trains running via London Bridge has occasioned considerable discomfort to regular travellers, it was noticed that the alternative route was not extensively patronised, and that the trains were seldom more than half-filled.1946 November and December, “Additional London-Dartford Services”, in Railway Magazine, page 386:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.