let know

USAGE SUMMARY

The phrase "let know" is grammatically correct and it can be used in written English.
For example, you can use this phrase if you want to inform someone about something: "I will let you know if there are any updates on the project."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

Let know what you think in the comments section.

The New York Times

When she's older, she'll have the power to decide who she wants to let know and who she doesn't".

The Guardian

And any trader that didn't want to cooperate with those three people, I said "you'll make my day, just let know about that".

Huffington Post

"With great sadness and a broken heart I have to let know all of Adrian's friends and [acquaintances] that he is dead," his father, Mario Lamo, posted on Facebook on Friday.

Huffington Post

So while it may seem like you have free reign and this is your masterpiece, you'll often be let know that that is not the case.

WikiHow

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

Let me know tomorrow.

The New Yorker

Let me know what?

The New York Times

So let us know.

The New York Times

So let me know.

The New Yorker

Let us know below.

The New York Times

And let us know.

The New Yorker

Expert writing Tips

Best practice

When using "let know", ensure the context implies a request for confirmation or acknowledgement from the recipient. If no response is needed, "inform" or "notify" may be more appropriate.

Common error

Be careful not to use "let know" in contexts where the recipient might misinterpret it as optional. Sometimes using a direct statement is more clear and effective.

Linguistic Context

The phrase "let know" functions primarily as a request for information or confirmation. Ludwig AI agrees that "let know" is grammatically correct and used to inform someone of something, but often requires a pronoun like "me", "us", or "them" to be complete. The examples demonstrate this function in various contexts.

Expression frequency: Rare

Frequent in

News & Media

75%

Wiki

12%

Science

13%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "let know" functions as a request for information or confirmation, generally holding an informal to neutral tone. Although Ludwig AI confirms its grammatical correctness, its usage is relatively rare, primarily appearing in news and media contexts. For more formal situations, alternatives like "inform" or "notify" are more suitable. Be mindful that "let know" typically requires a pronoun, such as "me", "us", or "them", to complete the phrase and ensure clarity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

tell someone

A simpler, more direct way of saying "let know".

notify someone

A more formal and often official way of informing someone.

inform someone

More formal and direct; omits the implied request for acknowledgement.

update someone

Focuses on providing new or current information.

advise someone

Suggests guidance or counsel, not just simple notification.

make someone aware

Emphasizes bringing something to someone's attention.

apprise someone of

A formal way to inform someone of something specific.

give someone the details

Implies a comprehensive sharing of information.

keep someone in the loop

Implies including someone in ongoing communications.

keep someone posted

Suggests regular updates on a developing situation.

FAQs

How can I use "let know" in a sentence?

The phrase "let know" is typically used when you want someone to inform you of something. For example, "Let me know when you're ready" means that you want them to tell you when they are prepared.

What is a more formal alternative to "let know"?

For a more formal tone, you can use "inform" or "notify". For instance, instead of "Let me know if you need anything", you could say "Please inform me if you require assistance".

Is "let know" grammatically correct?

Yes, "let know" is grammatically correct, but it's often used in an imperative form such as "let me know" or "let us know". It means to provide information to someone.

What's the difference between "let me know" and "tell me"?

While both phrases request information, "let me know" often implies a softer request or an offer of assistance, while "tell me" is more direct. The choice depends on the context and your relationship with the person you're speaking to.