ravaging

(noun) plundering with excessive damage and destruction. Synonyms: devastation.

(verb) make a pillaging or destructive raid on (a place), as in wartimes. Synonyms: harry, ravage.

(verb) cause extensive destruction or ruin utterly. Synonyms: lay waste to, waste, devastate, desolate, ravage, scourge. Example: "The enemy lay waste to the countryside after the invasion."

(adj) ruinously destructive and wasting. Example: "A ravaging illness."