[n] any weakening or degeneration (especially through lack of use)
[adj] wreaking or capable of wreaking complete destruction; "possessing annihilative power"; "a devastating hurricane"; "the guns opened a withering fire"
[adj] making light of; "afire with annihilating invective"; "a devastating portrait of human folly"; "to compliments inflated I've a withering reply"- W.S.Gilbert