1. past participle of undergo; to have experienced or been subjected to something, especially something difficult or unpleasant
Usage: past participle form

Examples

• The building has undergone major renovations this year.
• She has undergone surgery twice in the past month.
• The company has undergone significant changes since the merger.
• He has undergone extensive training for his new position.
• The patient has undergone several rounds of chemotherapy.
• The city has undergone rapid development in recent years.