From Longman Dictionary of Contemporary Englishwitheringwith‧er‧ing /ˈwɪðərɪŋ/ adjective → a withering look/remark etc —witheringly adverb
Examples from the Corpus
withering• Mrs Thatcher's withering contempt was far more damaging.• The dark-haired vibrancer caught him staring and gave him a withering look.• Be prepared to question this if you want to, and do not retreat from any withering looks.• Momentarily they lift her world beyond its withering perimeter.• Billy Bingham, whose make-do-and-mend team were no match for their southern neighbours' withering power game, added his good wishes.• I had watched her successor, David Ennals, come under withering union fire for cutting back on the hospital building programme.• Rotten had also adopted an increasingly withering view of his colleagues. 