Meaning & use
function
The particular purpose or role that something has, or the way it works.
See it in a sentence
The main function of the heart is to pump blood throughout the body.
They attended a formal function to celebrate the company's fiftieth anniversary.
A note on using this word
In math, a function describes a relationship in which each input has exactly one output.
Words with a similar meaning
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. verb
To work or operate in a particular way.
The old printer still functions well despite being nearly fifteen years old.
3. noun
A formal social event or gathering, often for a business or ceremonial purpose.
Employees were invited to a company function to mark the retirement of the director.
Make it your own
Write a sentence using “function”, then compare your use with the examples above.