1. causing or capable of causing great destruction, damage, or distress
Usage: formal or literary; less common than 'devastating'

Examples

• The hurricane had a devastative impact on the coastal communities.
• The loss of their home was a devastative blow to the family.
• The report contained devastative criticism of the company's practices.
• The war's devastative effects were felt for decades.
• A devastative earthquake struck the region last night.