We found 9 dictionaries that define the word let know:

General (4 matching dictionaries)

1. let know: Merriam-Webster
2. let know: Wiktionary
3. let know: Stammtisch Beau Fleuve Acronyms
4. let know: TheFreeDictionary.com

Business (2 matching dictionaries)

5. let know: Legal dictionary
6. let know: Financial dictionary

Computing (1 matching dictionary)

7. let know: Encyclopedia

Medicine (1 matching dictionary)

8. let know: Medical dictionary

Miscellaneous (1 matching dictionary)

9. let know: Idioms

Definitions from Wiktionary (let know) ▸ verb:  (ditransitive) To inform (someone) (of something). Similar: tell of, tell, warn, notify, inform, correct, make known, acquaint, communicate, tip off, more... Phrases: let someone know, let me know, Don't Let Me Be the Last to Know, If You Love Me, Let Me Know, Let Them Know, more... ▸ Words similar to let know ▸ Usage examples for let know ▸ Idioms related to let know ▸ Wikipedia articles (New!) ▸ Words that often appear near let know ▸ Rhymes of let know ▸ Invented words related to let know