Found 2 items, similar to witheringly.
English → English (WordNet) Definition: witheringly witheringly adv : in a withering manner; “guns fired witheringly at the railroad cars”
English → English (gcide) Definition: Witheringly Withering \With"er*ing\, a. Tending to wither; causing to shrink or fade. -- With"er*ing*ly, adv. [1913 Webster]