1. being considered or discussed: có liên quan, đang điều tra, đang còn trong đàm phán, thảo luận
in dispute, under consideration >< out of the question = not to be considered; unthinkable; impossible
- On the day in question, there were several serious emergencies.
- The photograph in question was taken long before I met you.
2. in doubt. If something is in question, there are doubts about it.
- All of the old certainties are in question.
- Are you saying that the validity of the test is in question?