- To undergo is to experience something.
When you are required to have surgery, this is an example of a situation where you undergo surgery.
A woman about to undergo surgery.Licensed from iStockPhoto
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transitive verb un·der·went , un·der·gone , un·der·go·ing, un·der·goes
- To pass through; experience: a house that is undergoing renovations.
- To endure; suffer: undergo great hardship.