What Does LMK Mean?

LMK (Let Me Know) means "get back to me with an update or an answer." It has become very common in texting, internet chat rooms and even formal emails.

Image for LMK

When I write LMK, I mean this: meaning of LMK The image shows a man waiting by the phone for an answer, having sent "LMK" to a friend.

Summary of Key Points

"Let Me Know" is the most common definition for LMK on Snapchat, WhatsApp, Facebook, Twitter, Instagram, and TikTok.
Definition:Let Me Know
Guessability:guessability level 4
4: Difficult to guess
Typical Users:typical user
Adults and Teenagers


Examples of LMK in Sentences

Here are examples of LMK being used in sentences:
  • Tony: I can't come out tonight if my wages don't go in the bank.
  • Jordan: Okay, LMK.
  • LMK if you have any questions.

An Academic Look at LMK

LMK is an imperative (i.e., an order). It can be used as a standalone imperative sentence. For example:
  • Tony: I might be late this afternoon.
  • Jordan: LMK
LMK can also take a direct object and be included in a longer sentence. For example:
  • Jordan: LMK the agenda before tomorrow please.
  • (Here, the agenda is the direct object of LMK.)

Example of LMK Used in a Text


"Cyber Speak" Test

You now know what LMK means, but are you good at Cyber Speak? Well, let's see!
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Scoring System

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