Cool MateEstablished vs Known
When to use each in English, with meaning, register, and examples.
Established
Top 2,000 (common)
Known
Top 1,000 (very common)
Most common: Known
| Established | Known | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪˈstæblɪʃt//🇺🇸 //ɪˈstæblɪʃt// | 🇬🇧 //nəʊn//🇺🇸 //noʊn// |
| Meaning | Well-known and accepted for a long time | Understood or recognized by many people. |
| Example | The company has been an established leader in technology. | She is a known expert in environmental science. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) |
| Collocations | established order, established practice, established norms, established reputation | well-known, known for, known fact, be known as, known quantity |
| Antonyms | unestablished, unknown, new | unknown, ignorant, unfamiliar |
| Common mistakes | Confused with 'establish' — remember 'established' is past tense., Using in informal settings where simpler words work better., Incorrectly used as an adjective with noun phrases that aren't well-known. | Confusing 'known' with 'knowing' (the present participle), Using 'known' when 'know' is needed for present tense, 'Known' should not be used as a verb |
| Usage notes | Used to describe organizations, laws, or customs that are recognized and accepted by society. Not ideal for informal contexts. | Used to describe something recognized or familiar. Suitable in both casual and formal contexts. Avoid using in overly complex or abstract discussions. |
See it in real clips
Frequently asked questions: Established vs Known
What's the difference between Established and Known?
Established: Well-known and accepted for a long time Known: Understood or recognized by many people.
Which is more common: Established and Known?
Known is the most common in everyday English.
Can you show an example of each?
Established: The company has been an established leader in technology. Known: She is a known expert in environmental science.
Can I use Established and Known interchangeably?
Not always. Established and Known are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.