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1. Wreaking or capable of wreaking complete destruction
   "the guns opened a withering fire"
   - annihilative, annihilating, devastating
    
2. Making light of
   "to compliments inflated I've a withering reply"
   - annihilating, devastating

1. Any weakening or degeneration (especially through lack of use)
   - atrophy

1. Wither, as with a loss of moisture
   - shrivel, shrivel up, shrink
    
2. Lose freshness, vigour, or vitality
   "Her bloom was withering"
   - fade

Derived forms: witherings

See also: destructive, disrespectful, witheringly

Type of: decrease, diminish, disappear, fall, go away, lessen, vanish, weakening

Encyclopedia: Wither