We found one dictionary that defines the word to keep sb posted:

General (1 matching dictionary)

1. to keep sb posted: Collins English Dictionary

▸ Words similar to to keep sb posted ▸ Usage examples for to keep sb posted ▸ Idioms related to to keep sb posted ▸ Wikipedia articles (New!) ▸ Words that often appear near to keep sb posted ▸ Rhymes of to keep sb posted ▸ Invented words related to to keep sb posted