The most common and most likely answer to this crossword clue is the 9 letter word DEBRIEFED
I've seen this crossword clue in The Times
D
E
B
R
I
E
F
E
D
More clues leading to the result DEBRIEFED
Buddy explains!
The straight part
We know that "Questioned" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case questioned = debriefed.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DEBRIEFED mean?
DEBRIEFED verb- To question someone after a military mission in order to obtain 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.