simple past tense of undergo.



verb (used with object), un·der·went, un·der·gone, un·der·go·ing.

to be subjected to; experience; pass through: to undergo surgery.
to endure; sustain; suffer: to undergo sustained deprivation.

Origin of undergo

before 1000; Middle English undergon, Old English undergān. See under-, go1
Related formsun·der·go·er, noun

Synonyms for undergo

1. See experience. 2. bear, tolerate.

Antonyms for undergo

1. avoid.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underwent

Contemporary Examples of underwent

Historical Examples of underwent

  • He underwent various operations, but derived only partial benefit from them.


    Edward J. Dent

  • We know, now what you underwent when you suspected my descent, and when you knew it.

    A Tale of Two Cities

    Charles Dickens

  • The mood of the Briton underwent a characteristic quick shift.

  • The graciousness of her manner, however, underwent no abatement.

    The Avenger

    E. Phillips Oppenheim

  • But despicable as his conduct had been, he underwent no hasty condemnation.

    The Golden Age

    Kenneth Grahame

British Dictionary definitions for underwent



the past tense of undergo


verb -goes, -going, -went or -gone

(tr) to experience, endure, or sustainto undergo a dramatic change of feelings
Derived Formsundergoer, noun

Word Origin for undergo

Old English: earlier meanings were more closely linked with the senses of under and go
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

Word Origin and History for underwent



Old English undergan "undermine," from under + gan (see go). Cf. Middle Dutch ondergaen, Old High German untarkun, German untergehen, Danish undergaa. Sense of "submit to, endure" is attested from c.1300. Meaning "to pass through" (an alteration, etc.) is attested from 1630s. Related: Undergone; underwent.

Online Etymology Dictionary, © 2010 Douglas Harper