Answer:
destructive , damaging or harmful.
Step-by-step explanation:
The words closest to devastating in meaning are destructive , ruinous , disastrous , catastrophic , calamitous , cataclysmic , pernicious , noxious, harmful , damaging , injurious , hurtful and wounding. Devastating means highly destructive and damaging something happen to something or somebody. All the words present in the above are same in meaning to the word devastating.