"derelict about" is a grammatically correct phrase and can be used in written English.
It means neglectful or irresponsibly careless about something. Example: The company's management was derelict about following safety protocols, resulting in several workplace accidents.
Mr. Lane opened the museum in a Sunbeam bakery building, built in 1951, which stood derelict for about a decade before he moved his collection there in 2003.
The chutes failed at El Mirage (the brakes did not), so the team has switched to air bag detonators from derelict cars — about $25 apiece at junkyards.
Russia's neighbours worry about derelict nuclear submarines, decrepit power stations and the like.
Dundee residents have become increasingly concerned about derelict sites around the city, said the local authority.
If there's anything romantic about derelict buildings, that sensation is absent from the sight of corrugated steel, which holds back the pawing hands of children from the gates of Funland.
It was hard for people on the South Side and the West Side not to see evidence of an engineered shrinkage, a strategy to starve derelict communities of resources, thus bringing about their further depopulation and return to nature.
After being ignored by the previous mayor, a black woman in Greenville was surprised when Mr. Jordan telephoned her to respond to her concern about a derelict vacant lot.
Garrett and a female explorer called "Rouge" hear about a derelict Soviet submarine floating in the Thames near Rochester: a U475 Black Widow.
The High Line is a derelict elevated railroad track, about two stories high, running a mile and a third along the western edge of the city, from Thirty-fourth Street to Gansevoort Street.
In "The Enigma of Arrival," the long book that Naipaul wrote about the Wiltshire countryside in which he has lived, intermittently, since 1971, there is a searing parenthesis in which he tells us about two derelict cottages he has been converting into a new home.
