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underwent

American  
[uhn-der-went] / ˌʌn dərˈwɛnt /

verb

  1. the simple past tense of undergo.

underwent British  
/ ˌʌndəˈwɛnt /

verb

  1. the past tense of undergo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

He suffered a ruptured left Achilles tendon in March 2025 and underwent back surgery last October.

From Barron's

Woods underwent “a long surgical procedure” on his lower right leg and ankle, according to a statement he released.

From Los Angeles Times

Woods underwent multiple surgeries following a serious car crash in 2021.

From BBC

After Gary Woodland underwent surgery to remove a brain lesion in 2023, he struggled to regain the level that once made him a major champion.

From The Wall Street Journal

After confirming eligibility, participants underwent a dexamethasone suppression test.

From Science Daily

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.