“LMK” means “let me know.” People use it in texts, chats, and social media when they want someone to give them an update, answer later, or share information.
It’s a quick, casual way to ask for a response. For example, someone might say, “LMK if you’re free tonight,” or “LMK what you think.” It sounds natural in everyday conversation and is very common in informal English.
Meaning & Usage
LMK is short for “let me know.” It is used when you want someone to tell you something later, reply with a decision, or keep you updated.
Examples
“LMK when you get home.”
“LMK if you want to join us.”
“LMK what time works best.”
Context / Common Use
People usually use LMK in texting, messaging apps, emails to friends, and casual online conversations. It is not very formal, so it’s best for friendly or everyday communication.
Is LMK formal?
No, LMK is informal. It’s best used with friends, coworkers you know well, or in casual messages.
Can I use LMK in email?
Yes, but only in informal emails. In professional or formal writing, it’s better to write “let me know.”
What does LMK mean in a text?
In a text, LMK means “let me know.” It usually asks the other person to reply with an update, answer, or decision.
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