1. to convert (land) into forest by planting trees
Usage: formal; environmental science

Examples

• The government plans to afforest the barren hillsides.
• They decided to afforest the abandoned farmland.
• The organization works to afforest degraded areas.
• Local communities helped afforest the watershed.
• The project will afforest 500 acres over five years.
• Volunteers gathered to afforest the former mining site.