We found one dictionary that defines the word let someone in:

General (1 matching dictionary)

1. let someone in: Oxford Learner's Dictionaries

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