Meaning of preach

preach

1. to proclaim or make known by sermon (the gospel, good tidings, etc.).
2. to deliver (a sermon).
3. to advocate or inculcate (religious or moral truth, right conduct, etc.) in speech or writing.

1. to deliver a sermon.
2. to give earnest advice, as on religious or moral subjects or the like.
3. to do this in an obtrusive or tedious way.