adj. designed or tending to discredit, especially without positive or helpful suggestions; "negative criticism"

adj. wreaking or capable of wreaking complete destruction; "possessing annihilative power"; "a devastating hurricane"; "the guns opened a withering fire"

adj. causing injury or blight; especially affecting with sudden violence or plague or ruin; "the blasting effects of the intense cold on the budding fruit"; "the blasting force of the wind blowing sharp needles of sleet in our faces"; "a ruinous war"

adj. spitefully sarcastic; "corrosive cristism"

adj. physically or spiritually devastating; often used in combination; "a crushing blow"; "a crushing rejection"; "bone-crushing"

adj. destructive to the spirit or soul; "soul-destroying labor"

adj. wearing away by friction; "the erosive effects of waves on the shoreline"

adj. making undecipherable or imperceptible: "obliterating mists"; "an obscurant bank of clouds"

adj. ruinously destructive and wasting; "a ravaging illness"

adj. laying waste; "when wasteful war shall statues overturn"- Shakespeare