discourse (up)on (something)(redirected from discourse upon)
Also found in: Legal.
discourse (up)on (something)
To talk about something at length. If he discourses about this abstract theory any longer, I'm going to fall asleep.
See also: discourse
someone or something to lecture about someone or something. (Upon is formal and less commonly used than on.) I would like to discourse upon this matter awhile. The committee chose to discourse on Tom and his latest fiasco rather than deal with the budgetary problems it faces.