sermon

US /ˈsɝː.mən/
UK /ˈsɝː.mən/
"sermon" picture
1.

a talk on a religious or moral subject, especially one given during a church service and based on a passage from the Bible.

:
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The pastor delivered a powerful sermon on forgiveness.
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Her grandfather used to write his own sermons every Sunday.
:
homilydiscourselectureaddresstalk
2.

a long or tedious speech or lecture, typically a reproving one.

:
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My father gave me a long sermon about being responsible.
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I had to listen to a whole sermon from my boss about being late.
:
lecturereprimandadmonitiontiradeharangue
:
sermonize