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WORDNET DICTIONARY
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THESAURUS

WORDNET DICTIONARY

Adjective deathly has 2 senses

• deathly(s = adj.all) deathlike - having the physical appearance of death; "a deathly pallor"
• deathly(s = adj.all) deadly, mortal - causing or capable of causing death; "a fatal accident"; "a deadly enemy"; "mortal combat"; "a mortal illness"
Derived form noun death₈

Adverbial deathly has 1 sense

• deathly(r = adv.all) Array - to a degree resembling death; "he was deathly pale"

OXFORD DICTIONARY

THESAURUS

deathly

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

For further exploring for "deathly" in Webster Dictionary Online