First, you must give us your word that you will not disclose our secret or any part of itneither our cause nor our existence nor this valley nor your whereabouts for the past month-to anyone in the outer world, not at any time or for any purpose whatsoever.
There are no more uses of "disclose" in the book.
Show samples from other sources
As if she’d had to do it too many times before and it had gone badly—the admission of wealth that’s greeted with too much enthusiasm, the disclosure of a secret identity that she herself didn’t create.
Gillian Flynn -- Gone Girl
Before I show you this, you have to give me a verbal non-disclosure agreement, okay?