LMK
3 synonyms for LMK, grouped by meaning and by how common each one is.
Abbreviation — Let me know: used at the end of a message to ask someone to reply with an answer or a decision.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
let me know
tell me
keep me posted
How to use LMK
The word patterns that sound natural to a native speaker.
lmk if you can make it
lmk what you think
lmk when you're free
just lmk
Informal; standard in texting and chat apps, out of place in formal correspondence.
Etymology
An initialism of "let me know".
Full origin of LMK →Frequently asked questions
What does LMK mean in a text?
It means "let me know". The sender is asking you to get back to them with a decision, an answer or an update, usually about something they have just proposed.
Is LMK rude?
No, it is simply casual. It is a normal sign-off in texts and instant messages between friends and, in many workplaces, between colleagues. In a formal email, write "let me know" or "please let me know" in full.
What is the difference between LMK and TBH?
They do different jobs. LMK asks for a reply. TBH means "to be honest" and introduces a frank opinion. LMK typically closes a message; TBH usually opens a statement.
