Definition of "detrimental"

"The fact is," continued he, "Lady Anne fears that my visits here may prove detrimental to what she considers your best interests. I thought myself an old, safe friend; but, as that cannot be explained to every body, she fears that I may keep off other and more eligible lovers."

1838 (date written), L[etitia] E[lizabeth] L[andon], “(please specify the page)”, in Lady Anne Granard; or, Keeping up Appearances. […], volume I, London: Henry Colburn, […], published 1842, pages 142–143

Decisions made at the DfT inevitably reflect a London-centric experience, with a comparison being made with the closure of ticket offices throughout the London Underground network. This is not judged to have been detrimental, but there is a simple zonal fares system that is hardly comparable with the range of ticket types used on the national rail network.

2023 July 26, 'Industry Insider', “Ticket offices RIP?”, in RAIL, number 988, page 68