sermonize

• sermonise

sermon +‎ -ize

sermonize (third-person singular simple present sermonizes, present participle sermonizing, simple past and past participle sermonized)

1. (intransitive) To speak in the manner of a sermon; to preach; to propagate one's morality or opinions with speech.
   • 1636, Henry Burton, For God, and the King‎, Amsterdam: J.F. Stam, page 150:

     And doe not our Prelates thus, when […] they disgrace and traduce Preaching, calling it in scorne, Sermonizing?

   • 1776, Elizabeth Griffith, The Story of Lady Juliana Harley‎, London: T. Cadell, Volume 1, Letter 1, p. 2:

     Don’t be alarmed, I am not going to sermonize—but what is almost as dull, to narrate.

   • 1872, George Eliot, chapter 45, in Middlemarch‎:

     “ […] I am perhaps talking rather superfluously; but a man likes to assume superiority over himself, by holding up his bad example and sermonizing on it.”

   • 1949, Sinclair Lewis, chapter 13, in The God-Seeker‎, New York: Popular Library, page 69:

     […] she would distrust him if she saw him again before he had achieved all his promises; had journeyed clear out to the Mississippi […] and had become fluent in sermonizing in the Dakota language. No, he must see her next in his glory as a practicing missionary.

   • 1983, Cynthia Ozick, The Cannibal Galaxy, New York: Dutton, published 1984, page 12:

     Sometimes Claude would lead Joseph to the Louvre—a magnificence Joseph had never before entered—and point out the darker paintings and sermonize on them; Claude was an aesthete.

2. (transitive) To preach a sermon to (somebody); to give (somebody) instruction or admonishment on the basis of one's morality or opinions.
   • 1798, Thomas Holcroft, He’s Much to Blame‎, London: G.G. and J. Robinson, act IV, scene 11, pages 68–69:

     He wishes, I suppose, to sermonize me: but I shall not give him an opportunity—

   • 1847, Charlotte Brontë, chapter 17, in Jane Eyre‎:

     “ […] we sermonised her on the presumption of attempting to teach such clever blades as we were, when she was herself so ignorant.”

   • 1869, Robert Browning, The Ring and the Book‎, London: Smith, Elder, Volume 4, Book 10, lines 459-461, p. 21:

     Why was the choice o’ the man to niche himself
     Perversely ’neath the tower where Time’s own tongue
     Thus undertakes to sermonize the world?

   • 1914, Arnold Bennett, chapter 6, in The Price of Love‎, London: Methuen, page 126:

     He could talk morals to others in the grand manner, and with positive enjoyment, but to be sermonized himself secretly exasperated him because it constrained him and made him self-conscious.

   • 1953, Saul Bellow, chapter 3, in The Adventures of Augie March, New York: Viking Press, →OCLC, page 28:

     […] maybe she sermonized us both about love because of her sons.

3. (transitive) To say in the manner of a sermon or lecture.
   • 1896, Abraham Cahan, chapter 7, in Yekl: A Tale of the New York Ghetto‎, New York: Appleton, page 151:

     “Children, children! Woe, how you do sin!” Mrs. Kavarsky sermonized. “Come now, obey an older person […] ”

   • 1917, George Creel (uncredited author) and Douglas Fairbanks, Laugh and Live, New York: Britton, Chapter 17, p. 144,

     Then as one man they jumped to their feet and by reason of prolonged cheering gave national impulse to a thought which has since been sermonized from thousands of pulpits.

   • 1960, Paul Bartlett, chapter 11, in When the Owl Cries‎, New York: Macmillan:

     “I tell you, we’re in for bad times,” de Selva sermonized before a group. “Our haciendas are threatened by renegades […] ”

4. (intransitive) To inculcate rigid rules.
   • 1748, Philip Stanhope, 4th Earl of Chesterfield, Letters to His Son‎, 6th edition, London: J. Dodsley, published 1775, Volume 1, Letter 106, p. 309:

     If you consider my letters in their true light as conveying to you the advice of a Friend, who sincerely wishes you happiness, and desires to promote your pleasures, you will both read and attend them; but, if you consider them in their opposite, and very false light, as the dictates of a morose and sermonizing Father, I am sure they will be not only unattended to, but unread.

The term sermonize generally carries a negative connotation (implying dreariness, longwindedness, imposing one’s beliefs on others, etc.) that is not shared by such phrases as deliver a sermon, preach a sermon, etc.

• (speak in the manner of a sermon): moralize
• (preach a sermon to (somebody)): lecture, pontificate, preachify