Dictionary-enhanced plural guide
What is the Plural of “Function”?
This page treats the word as a noun when it has a countable noun use.
Singular and Plural Form of Function
Function is the singular noun form. Functions is the plural form.
Dictionary meaning: To do what something is made for; to work or operate correctly.
Why is the Plural of Function “functions”?
The Regular Plural Rule for Function
Most English nouns form the plural by adding -s. Example: function → functions
How to Remember the Plural of Function
Just add -s to “function” to make “functions”. Most English nouns follow this pattern.
A common slip-up: Saying /ˈfʌnkʃən/ instead of /ˈfʌŋkʃən/ (missing ng sound)..
Singular vs Plural Examples with Function
See function and functions used in real sentences side by side.
- The new system functions very well in our office. B1
- The heart functions to pump blood throughout the body. B1
- This old camera still functions perfectly despite its age. B2
Common Plural Mistakes with Function
Wrong: The system not functions correctly.
Correct: The system does not function correctly.
In English, auxiliary verb do/does is required for negation in present tense.
Wrong: The device is function well.
Correct: The device functions well.
Function is a main verb here, not a continuous form; use simple present.
How to Pronounce Function and Functions
Stress on first syllable. Ends with -tion (pronounced /ʃən/).
Origin and Etymology of Function
From Latin functio (performance), related to fungi (to perform).
Frequently Asked Questions About the Plural of Function
What is the plural of “function”?
The plural of “function” is “functions”.
Is “functions” regular or irregular?
This page classifies it as regular based on the available plural data.