withering

nouns

any weakening or degeneration (especially through lack of use)

atrophy, withering

is derived from

wreaking or capable of wreaking complete destruction

"possessing annihilative power"; "a devastating hurricane"; "the guns opened a withering fire"

making light of

"afire with annihilating invective"; "a devastating portrait of human folly"; "to compliments inflated I've a withering reply"- W.S.Gilbert