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Definition of undergo - 3 dictionary results

un⋅der⋅go

  [uhn-der-goh]
Use undergo in a Sentence
–verb (used with object), -went, -gone, -go⋅ing.
1. to be subjected to; experience; pass through: to undergo surgery.
2. to endure; sustain; suffer: to undergo sustained deprivation.
Origin:
bef. 1000; ME undergon, OE undergān. See under-, go 1

Related forms:
un⋅der⋅go⋅er, noun

Synonyms:
1. See experience. 2. bear, tolerate.

Antonyms:
1. avoid.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To undergo
un·der·go   (ŭn'dər-gō')   
tr.v.   un·der·went (-wěnt'), un·der·gone (-gôn', -gŏn'), un·der·go·ing, un·der·goes (-gōz')

  1. To pass through; experience: a house that is undergoing renovations.

  2. To endure; suffer: undergo great hardship.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

undergo 
O.E. undergan "undermine," from under + gan (see go). Cf. M.Du. ondergaen, O.H.G. untarkun, Ger. untergehen, Dan. undergaa. Sense of "submit to, endure" is attested from c.1300. Meaning "to pass through" (an alteration, etc.) is attested from 1634.
Online Etymology Dictionary, © 2001 Douglas Harper
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