function
word
Definition
A function is the purpose of something or a special activity, event, or job it performs. As a verb, it means to work or operate in the correct way.
Usage & Nuances
Common as both a noun and a verb. As a noun, frequent patterns include 'the main function of...' and 'a social function'. As a verb, it is more formal than 'work': 'The system is functioning normally.' In math and computing, it has specialized meanings.
Example Sentences
The main function of this button is to open the door.
basic
My phone is old, but it still functions well.
basic
They went to a school function on Friday night.
basic
I can't function without coffee in the morning.
natural
Everything looks fine, but the app isn't functioning properly.
natural
At that point, sleep was a basic function, not a luxury.
natural