English

Verb

tell all

1. (idiomatic) To reveal everything, particularly information that is normally withheld.

   The suspect told all when he saw the surveillance tapes linking him to the crime scene.

   The actress's earthy new book tells all.

2. Used other than as an idiom: see tell,‎ all.

   She told all of her friends the big news.

   She told all of the news to her friends.

Synonyms

• (reveal everything): confess, spill the beans