speedworthiness

noun

speedworthiness

noun

Etymology From speed + worthiness, or speedworthy + -ness.

1

Rare The ability to travel at high speed.

The "Merchant Navy" class locomotives have lost none of their speedworthiness in the extensive rebuilding and this was certainly a good example of their prowess.1959 October 23, O. S. Nock, “British Locomotive Practice and Performance”, in Railway Magazine, page 705:

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