1. To deliver a sermon; SYN. prophesy.
2. To speak, plead, or argue in favour of; SYN. advocate.
3. To set forth in a sermon
4. To advocate earnestly
5. To deliver (as a sermon) publicly
6. To bring, put, or affect by preaching

Množina: preachers

ETYM Cf. Old Fren. preeschierre, prescheur, French prêcheur, Latin praedicator.
Someone who occupation is preaching the gospel; SYN. preacher man, sermonizer.

To preach ineptly or tediously

Množina: preachments

1. The act or practice of preaching
2. Sermon, exhortation; specifically; a tedious or unwelcome one

Marked by obvious moralizing; didactic