n.
- a talk on a religious or moral subject, especially one given during a church service and based on a passage from the Bible.
- informal a long or tedious admonition or reproof.
Derivative
- sermonic adj.
- sermonize
or sermonise v. - sermonizer
or sermoniser n.
Etymology
ME: from OFr., from L. sermo(n-) ‘discourse, talk’.