[ uhn-der-goh ]
See synonyms for: undergoundergoesundergoingundergone on Thesaurus.com

verb (used with object),un·der·went [uhn-der-went], /ˌʌn dərˈwɛnt/, un·der·gone [uhn-der-gawn, ‐gon], /ˌʌn dərˈgɔn, ‐ˈgɒn/, un·der·go·ing.
  1. to be subjected to; experience; pass through: to undergo surgery.

  2. to endure; sustain; suffer: to undergo sustained deprivation.

Origin of undergo

First recorded before 1000; Middle English undergon, Old English undergān. See under-, go1

Other words for undergo

Opposites for undergo

Other words from undergo

  • un·der·go·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use undergo in a sentence

British Dictionary definitions for undergo


/ (ˌʌndəˈɡəʊ) /

verb-goes, -going, -went or -gone
  1. (tr) to experience, endure, or sustain: to undergo a dramatic change of feelings

Origin of undergo

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

Derived forms of undergo

  • undergoer, noun

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