"LMK" (often written as "lmk" or "Lmk") is an abbreviation used in text messages for "let me know." It is used to express that the speaker wants the other person to provide information or updates on a particular topic.
For example, a friend might text you, "Hey, are you free this weekend?" to which you respond that you might be busy. Then your friend may text you back, "Okay, LMK." That means your friend is expecting you to let them know if you will still be busy or not preferably before the weekend. "LMK" is a convenient way to request information or updates in a casual and concise manner.
Note that LMK (or "lmk" or "Lmk") is only used in casual texts or online messages. It is typically not socially acceptable to use it in formal writing or emails.
Example sentences
- Hey, are you up for a movie night this Saturday? LMK if you're down!
- I'm thinking of ordering pizza for dinner. Lmk if you want to join.
- Did you finish that project? LMK when you have an update.
- Planning a picnic this weekend. Interested? LMK your thoughts.
- We're having a game night at my place. lmk if you're down to join.
- Thinking of hitting the beach on Sunday. LMK if you're interested.
- There's a sale at the mall this weekend. Wanna go shopping? LMK!
- I heard you're a fan of hiking. Planning to climb a trail this Saturday. LMK if you're up for it.
- Going to the museum on Friday. Interested? LMK if you want to join.
- Meeting up for a study session. Lmk if you're available.
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