shockingly frightful or dreadful; horrible

a ghastly murder.

resembling a ghost, esp. in being very pale

a ghastly look to his face.

terrible; very bad

a ghastly error.

Also, ghastlily, ghastily. in a ghastly manner; horribly; terribly.

with a deathlike quality.

adjective

delightful , pleasant , pleasing , wonderful

adjective

abhorrent , anemic , appalling , ashen , awful , bloodless , cadaverous , corpselike , deathlike , dim , disgusting , faint , frightening , frightful , funereal , ghostly , ghoulish , grim , grisly , gruesome , haggard , hideous , horrendous , horrible , horrid , livid , loathsome , lurid , macabre , mortuary , nauseating , offensive , pallid , repellent , repulsive , sepulchral , shocking , sickening , spectral , supernatural , terrible , terrifying , uncanny , unearthly , unnatural , unpleasant , wan , weak , wraithlike , dire , direful , dreadful , fearsome , formidable , redoubtable , scary , tremendous , deadly , deathly , ghostlike , fearful , awesome , disagreeable , horrific , morbid , pale