Word parts change

de- + brief

Pronunciation change

Verb change

Plain form
debrief

Third-person singular
debriefs

Past tense
debriefed

Past participle
debriefed

Present participle
debriefing

  1. (transitive) (military) If you debrief someone, you question them after a military mission in order to get more information.
  2. (transitive) If you debrief someone, you question them after the implementation of a project so as to learn from mistakes.