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Dictionary-enhanced plural guide

What is the Plural of “Undergo”?

This page treats the word as a noun when it has a countable noun use.

Singularundergo→Pluralundergoes
Rule: regularIPA: /ˌʌndərˈɡoʊ/

Singular and Plural Form of Undergo

Undergo is the singular noun form. Undergoes is the plural form.

Dictionary meaning: To experience or go through something. Often used for difficult processes or changes that happen to someone.

Why is the Plural of Undergo “undergoes”?

The Regular Plural Rule for Undergo

Words ending in consonant + o typically add -es. Example: undergo → undergoes

Plural pattern: regular.

How to Remember the Plural of Undergo

Just add -s to “undergo” to make “undergoes”. Most English nouns follow this pattern.

A common slip-up: Some learners stress the first syllable (UN-der-go) or second (un-DER-go). Always stress the third syllable: un-der-GO..

Singular vs Plural Examples with Undergo

See undergo and undergoes used in real sentences side by side.

  • The patient will undergo surgery next week to repair the torn ligament. C1
  • The building underwent significant renovations to meet modern safety standards. C1
  • Young people undergo many changes during their teenage years. C1

Common Plural Mistakes with Undergo

Wrong: The company underwent a big change.

Correct: The company underwent major changes. / The company underwent a complete transformation.

After 'undergo' use specific nouns (major changes, transformation) not vague ones (a big change).

Wrong: She undergo the medical test last month.

Correct: She underwent the medical test last month.

Past tense of 'undergo' is 'underwent' (irregular). Never 'undergooed'.

How to Pronounce Undergo and Undergoes

Stress the third syllable: un-der-GO. Say 'GOHW' not 'GOWH'. The 'o' in 'go' is long.

Other Words With the Same Plural Pattern as Undergo

These nouns follow the same regular rule. Click any word to see its plural page.

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'.

Frequently Asked Questions About the Plural of Undergo

What is the plural of “undergo”?

The plural of “undergo” is “undergoes”.

Is “undergoes” regular or irregular?

This page classifies it as regular based on the available plural data.

Explore “Undergo” in Other Tools