witheringly

from WordNet (r) 3.0 (2006)
witheringly
    adv 1: in a withering manner; "guns fired witheringly at the
           railroad cars"
    
from The Collaborative International Dictionary of English v.0.48
Withering \With"er*ing\, a.
   Tending to wither; causing to shrink or fade. --
   {With"er*ing*ly}, adv.
   [1913 Webster]
    

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