undergo
verb (used with object)
to be subjected to; experience; pass through.
had undergone
-
past perfectof undergo.past perfect
Used to express a completed action that took place before another specific past action occurred.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When questioned by host Mitch Churi if the actor-model had undergone an exorcism, she revealed that she “actually” did.
From Los Angeles Times ● Aug. 19, 2026
He found that some had been knocked down and others had undergone major renovations and were for sale, the people said.
From The Wall Street Journal ● Jul. 29, 2026
The team reviewed clinical information from more than 9,000 patients who had undergone mitral valve repair or replacement for DMR.
From Science Daily ● Jul. 12, 2026
Most of his right heel was gone, and this was the second operation he had undergone.
From BBC ● Jun. 9, 2026
It was as if the entire civilization had undergone some self-inflicted brain surgery, and most of its memories, discoveries, ideas and passions were extinguished irrevocably.
From "Cosmos" by Carl Sagan
