Definitions

1. verb

to have experienced or suffered something, especially pain or hardship; to have gone through a process or period of time

“She has undergone significant changes since her last visit.”

2. noun

an experience or period of time during which someone or something undergoes a process or change

“The patient’s recovery was a long and difficult process that required months to undergo.”

3. adjective

having experienced or undergone something, especially pain or hardship

“The patient was feeling better after undergoing a successful surgery.”