keep someone posted

USAGE SUMMARY

The phrase "keep someone posted" is correct and usable in written English. You can use it when you want to inform someone that you will update them with new information as it becomes available. Example: "I'll keep you posted on the progress of the project." Alternative expressions include "keep someone informed," "update someone," and "let someone know."

✓ Grammatically correct

News & Media

Wiki

Formal & Business

Science

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

It is surprising to learn how old some current slang is: you could keep someone posted in 1864, and "put up or shut up!" goes back at least to 1873 gambling dens.

The Guardian - Books

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

We can't keep someone forever".

The New York Times

Most families decided to keep someone at home as long as possible.

British Medical Journal

Just keep in mind that sometime after Junior's two-year-old birthday party, you'll see a picture of yourself that someone posted on Facebook.

Huffington Post

"Horse_ebooks is over," someone posted.

The New Yorker

I'm going to bed!" someone posted.

The New Yorker

"Nonsense," someone posted in reply.

The New York Times

Someone posted it to Hacker News.

TechCrunch

She will keep me posted".

The New York Times - Arts

Will keep you posted.

The Guardian - Sport

I will keep you posted.

The New York Times

Expert writing Tips

Best practice

The phrase is versatile because it does not commit the speaker to a specific timeline while still maintaining a professional line of communication.

Common error

Do not confuse this idiom with the literal act of "keep posting". While the latter refers to the continuous publication of content (like social media updates), "keep someone posted" specifically means to inform an individual person regularly about developments.

Linguistic Context

The phrase "keep someone posted" functions as a transitive idiomatic verbal phrase. It is used to promise or request regular updates regarding a situation. According to Ludwig and Ludwig AI, it follows the standard pattern of a phrasal idiom where the object ('someone') is placed between the verb 'keep' and the participle 'posted'.

Expression frequency: Rare

Frequent in

News & Media

55%

Formal & Business

25%

Wiki

12%

Less common in

Science

5%

Academia

2%

Social Media

1%

Ludwig's WRAP-UP

The phrase "keep someone posted" is a robust and widely used English idiom that effectively communicates a commitment to future updates. While the specific exact-match count in the provided Ludwig data is low, the extensive presence of its variations—such as "keep me posted" and "keep you posted"—confirms its status as a core tool in modern English. Ludwig AI confirms its grammatical correctness and its high utility in professional environments. It is an ideal choice for maintaining active communication channels without requiring immediate finality. Writers should use it to project reliability and transparency in both personal and corporate contexts, ensuring they distinguish it from literal act of publishing content online.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

keep someone informed

More formal and literal version suitable for professional reports

keep someone updated

Focuses specifically on providing the latest information or status changes

keep someone in the loop

Implies inclusion in a specific group or ongoing project workflow

update someone

A more direct and concise verbal alternative

fill someone in

Commonly used when catching someone up on events they missed

keep someone abreast

More formal phrasing often used in corporate or monitoring contexts

bring someone up to speed

Focuses on providing enough information to reach a current level of understanding

apprise someone

Very formal register often reserved for official or high-level notifications

notify someone

More transactional and typically refers to a one-time alert

stay in touch

Broader term for maintaining contact rather than specific data updates

FAQs

How to use "keep someone posted" in a sentence?

You can use it by replacing 'someone' with a pronoun or person's name, such as in "I will "keep you posted" on the results of the meeting."

What can I say instead of "keep someone posted" in a formal email?

In professional settings, you might prefer more formal alternatives like "keep me informed" or "keep me updated".

Is it "keep me post" or "keep me posted"?

The correct form is "keep someone posted" because 'posted' acts as a past participle meaning 'informed' or 'aware'.

What is the difference between "keep someone posted" and "keep someone in the loop"?

While very similar, "keep someone in the loop" implies that the person is part of a larger ongoing group or project, whereas "keep someone posted" is more about the delivery of specific updates.