Definition of Function
Quick Meaning of Function
To do what something is made for; to work or operate correctly.
Detailed Definition of Function
To work or operate properly, or to serve a particular purpose.
How to Pronounce Function
Stress pattern: Oo (2-syllable word).
Tip: Stress on first syllable. Ends with -tion (pronounced /ʃən/).
Watch out: Saying /ˈfʌnkʃən/ instead of /ˈfʌŋkʃən/ (missing ng sound).
Origin and Etymology of Function
From Latin functio (performance), related to fungi (to perform).
How to Use Function in a Sentence
Each example shows “function” with a CEFR level so learners can pick examples that match their fluency.
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“The new system functions very well in our office.”
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“The heart functions to pump blood throughout the body.”
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“This old camera still functions perfectly despite its age.”
Synonyms and Antonyms of Function
Common Synonyms for Function
Smart Synonyms for Function — When to Use Each
- operate
- More technical, for machines and systems
- work
- More casual and general than function
- perform
- When accomplishing a specific role or task
Antonyms of Function
Common Collocations with Function
These phrases pair with “function” in everyday English:
- function properly
- function as intended
- function smoothly
Common Mistakes When Using Function
Even fluent speakers slip up with “function”. Here’s how to avoid the most common errors:
- ✗ Wrong: The system not functions correctly.
- ✓ Correct: The system does not function correctly.
- Why: In English, auxiliary verb do/does is required for negation in present tense.
- ✗ Wrong: The device is function well.
- ✓ Correct: The device functions well.
- Why: Function is a main verb here, not a continuous form; use simple present.
Other Forms of Function
- Noun: function
- Verb: function
- Adjective: functional
- Adverb: functionally
Frequently Asked Questions About Function
What is the meaning of "Function"?
To do what something is made for; to work or operate correctly.
How do you pronounce "Function"?
The IPA is /ˈfʌŋkʃən/. Stress on first syllable. Ends with -tion (pronounced /ʃən/).
What part of speech is "Function"?
"Function" is a verb at B2 level (Common European Framework).
What are synonyms for "Function"?
Common synonyms include operate, work, perform.
How do you use "Function" in a sentence?
For example: "The new system functions very well in our office."