Past tense of undergo
irregular verb
The past tense of undergo is underwent. The past participle is undergone.
Forms of undergo
| Base form (V1) | undergo /ˌʌndɚˈɡoʊ/ |
|---|---|
| Past tense (V2) | underwent /ˌʌn.dəˈwɛnt/ |
| Past participle (V3) | undergone |
| Present participle | undergoing |
| Third person singular | undergoes |
Underwent and undergone in a sentence
- The victim underwent great trauma.
- The volume occupied by the star's exploding gases underwent a trillionfold increase.From the entry trillionfold
- Mechanical refrigeration and air conditioning underwent commercialization decades before their consumerization.From the entry consumerization
- The film script underwent a rewrite for the European market.From the entry rewrite
- The barley underwent three pearlings in a pearler.From the entry pearling
Meaning of undergo
- verb To experience; to pass through a phase.
- verb To suffer or endure; bear with.
- verb To go or move under or beneath.
Verbs like undergo
Questions about the past tense of undergo
- What is the past tense of undergo?
- The past tense of undergo is underwent.
- What is the past participle of undergo?
- The past participle of undergo is undergone.
- Is undergo a regular or irregular verb?
- Undergo is an irregular verb: its past tense is not formed with -ed.
Source and license
Adapted from Wiktionary: undergo (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.
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Cite this page: “Past tense of undergo.” Word.ws, https://word.ws/past-tense/undergo. Based on Wiktionary, CC BY-SA 4.0.