Quadral 12: A Little Rough Medium

One word:

  1. Used by writers.
  2. Relevant to the military.
  3. Heard at a pub.
  4. (Twist) It must have a different meaning in each of the three categories.

AI will judge if your word fitsβ€”and if it's better than the AI's answer.


Need a hint?

The title of this puzzle references the AI answer.