devastating
1. [ adjective ] wreaking or capable of wreaking complete destruction
Synonyms: annihilating withering annihilative
Examples:

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

Related terms: destructive
2. [ adjective ] making light of
Synonyms: withering annihilating
Examples:

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

Related terms: disrespectful
3. [ adjective ] physically or spiritually devastating; often used in combination
Synonyms: crushing
Examples:

"a crushing blow" "a crushing rejection" "bone-crushing"

Related terms: destructive
Similar spelling:   devastation
  devastate
  devastated