debrief.
To question someone after a military mission in order to obtain information (especially intelligence).
Meaning & usage
To question someone after a military mission in order to obtain information (especially intelligence).
To question someone, or a group of people, after the implementation of a project, in order to learn from mistakes, etc.
To inform subjects of an experiment about what has happened in a complete and accurate manner.
Where this word comes from
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English brief English debrief From de- + brief.
Synonym of debriefing
We had a debrief yesterday.
Where this word comes from
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English brief English debrief From de- + brief.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.