Definition of "doomy"

Their big hit at the time was "Death Valley '69," a typical droney, doomy replay of the Manson murders that was about as illuminating as your average TV mini series.

1988 November 4, Franklin Soults, “Sonic Youth”, in Chicago Reader‎

Those children playing didn't look like doomy little criminals, once you knew their names.

1995, Isabel Fonseca, Bury Me Standing, Vintage, published 2007, page 29

What makes Don’t Look Up such a movie of the moment also makes it less of a functional movie at all, and more of a cranky, doomy, occasionally funny headspace.

7 December 2021, Jesse Hassenger, “Leonardo DiCaprio and Jennifer Lawrence cope with disaster in the despairing satire Don’t Look Up”, in AV Club‎