1. destroying or killing a large portion of something
Usage: present participle of decimate
2. severely reducing the number or amount of something
Usage: present participle of decimate

Examples

• The wildfire is decimating the forest.
• Disease was decimating the cattle population.
• Budget cuts are decimating the school’s programs.
• The hurricane decimated the coastal town.
• Overfishing is decimating marine ecosystems.
• The economic crisis decimated small businesses.