We found 4 dictionaries that define the word let someone know:

General (4 matching dictionaries)

1. let someone know: Merriam-Webster
2. let someone know: Oxford Learner's Dictionaries

Phrases: to let someone know, let someone know about something, more... ▸ Words similar to let someone know ▸ Usage examples for let someone know ▸ Idioms related to let someone know ▸ Wikipedia articles (New!) ▸ Words that often appear near let someone know ▸ Rhymes of let someone know ▸ Invented words related to let someone know