1. (a.) Deadly; fatal; mortal; destructive.

2. (adv.) Deadly; as, deathly pale or sick.

a la mort abominably agonizingly appalling awfully baldly balefully baneful bitterly blatantly blue brashly brutal cadaverous confoundedly corpselike cruelly damnably dead deadened deadly death-bringing deathful deathlike deathly pale destructive deucedly distressingly dolorously dreadful dreadfully eerie egregiously excessively excruciatingly exorbitantly extravagantly fatal feral flagrantly frightfully ghastly ghostlike ghostly grievously grisly gruesome haggard hellishly horrible horribly improperly inexcusably infernally inordinately internecine intolerably killing lamentably lethal livid lurid macabre malign malignant miserably mortal mortuary nakedly openly painfully pale pernicious pestilent pestilential piteously sadly savage shatteringly shockingly something awful something fierce sorely staggeringly terribly to the death torturously unashamedly unbearably uncanny unconscionably unduly unearthly unpardonably virulent wan wasted weird woefully