sermon UK /ˈsɜː.mən/US /ˈsɝ.mən/noun 2verb 2forms 3 noun2 •Religious discourse; a written or spoken address on a religious or moral matter. •A lengthy speech of reproval. verb2 •(literary, no longer used) To discourse to or of, as in a sermon.January 23 1583, Edmund Spenser, letter to Walter Raleigh To some I know this methode will seem displeasaunt, which had rather have good discipline delivered plainly in way of precepts, or sermoned at large, as they use, then thus clowdily enwrapped in allegorical devises •(literary, no longer used) To tutor; to lecture.Come, sermon me no further. — 1605 formssermoned · sermoning · sermons