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[uhn-der-goh] /ˌʌn dərˈgoʊ/
verb (used with object), underwent, undergone, undergoing.
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 forms
undergoer, noun
1. See experience. 2. bear, tolerate.
1. avoid. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for undergone
Contemporary Examples
Historical Examples
  • His expression was that of one who has just undergone a soul-stirring shock.

    Within the Law Marvin Dana
  • His expression had undergone a favourable change; it was less grim.

    Green Mansions W. H. Hudson
  • Have they undergone a similar change, through the arts of this wicked Circe?

    Tanglewood Tales Nathaniel Hawthorne
  • The great mistake I made was, in supposing I had undergone any real change of heart.

    Ned Myers James Fenimore Cooper
  • The rock has undergone complete metamorphism and its origin is unknown.

    The Long Labrador Trail Dillon Wallace
British Dictionary definitions for undergone


verb -goes, -going, -went, -gone
(transitive) to experience, endure, or sustain: to undergo a dramatic change of feelings
Derived Forms
undergoer, noun
Word Origin
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
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Word Origin and History for undergone



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
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