Meanings
- colloquialrarelet us know, get back to us, keep us posted (often us in sense me)
Let's know when Eckleton's playing Haileybury, and I'll come and look you up. I want to see that match.
1908, P. G. Wodehouse, “The Guardian”, in The Politeness of Princes and Other School Stories1 more example
Let's know if you come back. Might see the sugar harvest. Have some fun. Give you a ride on the sugar train.
1955 October 20, H. E. Bates, “The Sugar Train”, in Evening Standard, page 19
Cite this entry
let's know. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/let's%20know
“let's know.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/let's%20know. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “let's know,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/let's%20know.
Source: let's know on Wiktionary, CC BY-SA 4.0.