unbrief
/ʌnˈbriːf/Definitions
1. verb
to summarize or give a brief account of something
“The general unbriefed the team on the upcoming mission.”
2. noun
a brief summary or account of something
“The unbrief was not detailed enough to prepare the team properly.”
3. verb
to deprive of a full or detailed explanation
“The unbriefing of the project details left the team confused.”