Definition of preach

• v. i. - To proclaim or publish tidings; specifically, to proclaim the gospel; to discourse publicly on a religious subject, or from a text of Scripture; to deliver a sermon.
• v. i. - To give serious advice on morals or religion; to discourse in the manner of a preacher.
• v. t. - To proclaim by public discourse; to utter in a sermon or a formal religious harangue.
• v. t. - To inculcate in public discourse; to urge with earnestness by public teaching.
• v. t. - To deliver or pronounce; as, to preach a sermon.
• v. t. - To teach or instruct by preaching; to inform by preaching.
• v. t. - To advise or recommend earnestly.
• v. - A religious discourse.