KEY: Dead.
SYN: Defunct, deceased, departed, gone, inanimate, lifeless, insensible, heavy, unconscious, dull, spiritless, cheerless, deserted, torpid, still.
ANT: Vital, living, animate, vivacious, susceptible, alive, joyous, stirring, thronged, bustling.
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KEY: Deaden.
SYN: Benumb, paralyze, blunt, damp, subdue.
ANT: Sharpen, quicken, enliven.
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KEY: Deadly.
SYN: Mortal, fatal, malignant, baleful, pernicious, noxious, venomous, destructive, baneful, implacable.