IPA: /dɪˈbrif/
KK: /diˈbrif/
To question someone in order to gather information or intelligence, especially after a mission or event.
After the operation, the team was debriefed to discuss what happened and gather insights.
Past: debriefed
Past Participle: debriefed
Debrief → It is formed from "de-" (meaning down or away) and "brief" (from Latin "brevis", meaning short). The word "debrief" means to take away or reduce the shortness of a report or information, typically after a mission or event.
Think of 'taking away' ('de-') the 'short' information ('brief') after an event — that's what debrief means.