Dictionary-enhanced word family
Word Forms of “Function”
To do what something is made for; to work or operate correctly.
Word Family of Function
Some English words keep the same spelling as a noun and a verb. Context tells you which form is being used.
What is the noun of function? — function
What is the verb of function? — function
What is the adjective of function? — functional
What is the adverb of function? — functionally
How to Use Each Word Form in a Sentence
- 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
Word Form Patterns for Function
-al
Adds **-al** to form an adjective meaning relating to. Example: function → functional.
-ly
Adds **-ly** to make an adverb describing how an action happens. Example: function → functionally.
Origin and Word Formation of Function
From Latin functio (performance), related to fungi (to perform).
Common Word Form 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.
Frequently Asked Questions About Word Forms of Function
What are the word forms of “function”?
The confirmed forms are shown in the word family cards above. Missing parts of speech are hidden instead of filled with placeholder text.
What part of speech is “function”?
“function” is primarily a verb. Some forms above show how the same root works as other parts of speech.
Can “function” be both a noun and a verb?
Yes. Some words keep the same spelling across parts of speech; the surrounding sentence shows the function.
Where does “function” come from?
From Latin functio (performance), related to fungi (to perform).