Definition of Undergo
Quick Meaning of Undergo
To experience or go through something. Often used for difficult processes or changes that happen to someone.
Detailed Definition of Undergo
To experience or be subjected to something, typically something difficult or unpleasant; to go through.
How to Pronounce Undergo
Stress pattern: ooO (3-syllable word).
Tip: Stress the third syllable: un-der-GO. Say 'GOHW' not 'GOWH'. The 'o' in 'go' is long.
Watch out: Some learners stress the first syllable (UN-der-go) or second (un-DER-go). Always stress the third syllable: un-der-GO.
Origin and Etymology of Undergo
From Old English 'undergān' (to go under). 'Under-' (beneath/below) + 'go' (move). Developed into 'experience' meaning in Middle English from the sense of 'passing through/enduring'.
How to Use Undergo in a Sentence
Each example shows “undergo” with a CEFR level so learners can pick examples that match their fluency.
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“The patient will undergo surgery next week to repair the torn ligament.”
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“The building underwent significant renovations to meet modern safety standards.”
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“Young people undergo many changes during their teenage years.”
Synonyms and Antonyms of Undergo
Common Synonyms for Undergo
Smart Synonyms for Undergo — When to Use Each
- experience
- More neutral; suitable for positive or negative events
- endure
- Emphasizes suffering or difficulty; more literary
- go through
- Informal; conversational version with same meaning
Common Collocations with Undergo
These phrases pair with “undergo” in everyday English:
- undergo surgery
- undergo treatment
- undergo change
- undergo transformation
- undergo testing
Common Mistakes When Using Undergo
Even fluent speakers slip up with “undergo”. Here’s how to avoid the most common errors:
- ✗ Wrong: The company underwent a big change.
- ✓ Correct: The company underwent major changes. / The company underwent a complete transformation.
- Why: After 'undergo' use specific nouns (major changes, transformation) not vague ones (a big change).
- ✗ Wrong: He is undergo surgery tomorrow.
- ✓ Correct: He is undergoing surgery tomorrow. / He will undergo surgery tomorrow.
- Why: Use 'undergoing' (present continuous) or future 'will undergo' not base form 'undergo'.
- ✗ Wrong: She undergo the medical test last month.
- ✓ Correct: She underwent the medical test last month.
- Why: Past tense of 'undergo' is 'underwent' (irregular). Never 'undergooed'.
Words Confused With Undergo
- Undergo vs Undertake: Both use 'under-' but 'undertake' means 'commit to do' while 'undergo' means 'experience/endure something'
Other Forms of Undergo
- Noun: undergoing
- Verb: undergo
Frequently Asked Questions About Undergo
What is the meaning of "Undergo"?
To experience or go through something. Often used for difficult processes or changes that happen to someone.
How do you pronounce "Undergo"?
The IPA is /ˌʌndərˈɡoʊ/. Stress the third syllable: un-der-GO. Say 'GOHW' not 'GOWH'. The 'o' in 'go' is long.
What part of speech is "Undergo"?
"Undergo" is a verb at C1 level (Common European Framework).
What are synonyms for "Undergo"?
Common synonyms include experience, endure, go through.
How do you use "Undergo" in a sentence?
For example: "The patient will undergo surgery next week to repair the torn ligament."