is known to

USAGE SUMMARY

'is known to' is correct and can be used in written English.
It can be used to introduce a fact that is generally accepted or is widely known. For example, "The Great Wall of China is known to be the longest man-made structure in the world."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

"Lowell is known to them".

The New Yorker

He is known to dive.

The New York Times - Sports

(Only the leader is known to both).

The New Yorker

No footage is known to exist.

The New York Times

Berns's name is known to few.

The New Yorker

He is known to all as Misha.

The New Yorker

Mixing metaphors is known to be bad.

The Economist

Ms. Quinn is known to unleash anger easily.

The New York Times

Uni is known to be an aphrodisiac.

The Guardian - Travel

(Depakote is known to cause tremors).

The New York Times

And he is known to dislike scandal.

The New York Times

Expert writing Tips

Best practice

Use "is known to" when introducing a fact that is widely accepted or supported by evidence. This adds credibility to your statement.

Common error

Avoid overusing "is known to" in formal writing. While grammatically correct, it can sometimes make your writing sound repetitive. Consider using synonyms like "is recognized as" or "is understood to" for variety.

Linguistic Context

The phrase "is known to" functions as a declarative expression to introduce established facts or widely accepted information. As Ludwig AI notes, it's grammatically sound and commonly used. The numerous examples demonstrate its role in presenting knowledge across diverse fields.

Expression frequency: Very common

Frequent in

Science

33%

News & Media

44%

Wiki

5%

Less common in

Encyclopedias

2%

Formal & Business

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "is known to" is a grammatically correct and very common way to introduce established facts or widely accepted information. As Ludwig AI confirms, its purpose is to convey information with a sense of authority, and it is frequently found in science, news media, and wiki contexts. To enhance writing style, consider using related phrases like "is understood to" or "is recognized as". Avoid overuse in formal writing to maintain variety. Using the phrase strategically strengthens your writing by presenting information with confidence.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is understood to

Replaces "known" with "understood", implying a general acceptance or comprehension.

is recognized as

Emphasizes formal acknowledgement or acceptance of a fact or quality.

is considered to be

Highlights a common opinion or evaluation about something.

is widely accepted as

Focuses on the broad agreement or consensus regarding a particular idea.

is generally believed to be

Indicates a common belief, though not necessarily a proven fact.

is established as

Suggests that something has been firmly proven or recognized over time.

is commonly known as

Highlights that information is known by the majority of people.

is reputed to be

Conveys information based on hearsay or reputation, rather than concrete evidence.

is thought to be

Presents an idea as a possibility or speculation, rather than a certainty.

is deemed to be

Expresses a formal judgement or assessment of something.

FAQs

How can I use "is known to" in a sentence?

Use "is known to" to introduce a fact or piece of information that is generally accepted or well-established. For example, "Exercise "is known to improve mood"".

What are some alternatives to saying "is known to"?

You can use phrases like "is understood to", "is recognized as", or "is considered to be" depending on the specific context.

When is it appropriate to use "is known to"?

"Is known to" is appropriate when presenting information that is widely accepted as factual or true. It's suitable for academic, news, and general writing contexts.

What's the difference between "is known to" and "is believed to"?

"Is known to" suggests that something is generally accepted as a fact, while "is believed to" implies that something is a common belief, but not necessarily proven or universally accepted.