The phrase "a sometimes spooky" is correct and usable in written English.
It can be used to describe something that occasionally has a spooky or eerie quality.
Example: "The old mansion had a sometimes spooky atmosphere, especially when the wind howled through the broken windows."
Alternatives: "an occasionally eerie" or "a periodically unsettling".
Eccentric characters come up to the counter at the rate of about one a minute, with impossible and sometimes spooky requests.
It's a more traditional affair than those classics (his new band doesn't quite match the rootsy, freewheeling swing of the early albums) but Fay is still in fine voice, singing stately, hymnal songs imbued with a kind of cosmic and religious rapture, sometimes spooky and awed, sometimes sun-through-the-clouds, everything's-gonna-be-OK hopeful.
Nonetheless it was for the most northerly fragments of that forest that we were hunting in the sometimes spooky landscapes of the extreme north-west of Britain.
(Sinagra) SUZANNE VEGA (Thursday) With her cool, matter-of-fact delivery on 80's hits like "Luka" and "Tom's Diner," this singer-songwriter sings from that sometimes spooky emotional space where the quotidian mirrors the tragic.
Mr. Hawtin, who grew up near Detroit and came up during the 1990s as a leading proponent of minimal techno — a sparse and sometimes spooky-sounding variant, as its name implies — has long been one of the electronic dance world's intellectual forces.
I like these books even when I don't agree with them entirely, because they are literary and inspiring and sometimes a bit spooky (like good sci-fi).
"Sophie's use of drawing conjures up a rich, spooky, sometimes alien, magical world.
A large mirror, seen in the background of many of the images in the series, makes the location particularly visually compelling and sometimes a little spooky. .
It can sometimes seem a bit spooky even.
Elaborately draped windows make up one wall; they look out on a narrow terrace, where a spooky, rather surly tabby cat is sometimes to be found.
