v. preached, preach·ing, preach·es
1. To proclaim or put forth in a sermon: preached the gospel.
2. To advocate, especially to urge acceptance of or compliance with: preached tolerance and peaceful coexistence.
3. To deliver (a sermon).
1. To deliver a sermon.
2. To give religious or moral instruction, especially in a tedious manner.
preach to the choir/converted
To argue in favor of a viewpoint already held by one's audience.
[Middle English prechen, from Old French preechier, from Late Latin praedicāre, from Latin, to proclaim : prae-, pre- + dicāre, to proclaim; see deik- in the Appendix of Indo-European roots.]
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