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lecture

American  
[lek-cher] / ˈlɛk tʃər /

noun

  1. a speech read or delivered before an audience or class, especially for instruction or to set forth some subject.

    a lecture on Picasso's paintings.

    Synonyms:
    discourse, paper, talk, address
  2. a speech of warning or reproof as to conduct; a long, tedious reprimand.


verb (used without object)

lectured, lecturing
  1. to give a lecture or series of lectures.

    He spent the year lecturing to various student groups.

verb (used with object)

lectured, lecturing
  1. to deliver a lecture to or before; instruct by lectures.

    Synonyms:
    teach, address
  2. to rebuke or reprimand at some length.

    He lectured the child regularly but with little effect.

    Synonyms:
    hector, admonish
lecture British  
/ ˈlɛktʃə /

noun

  1. a discourse on a particular subject given or read to an audience

  2. the text of such a discourse

  3. a method of teaching by formal discourse

  4. a lengthy reprimand or scolding

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to give or read a lecture (to an audience or class)

  2. (tr) to reprimand at length

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • prelecture noun
  • unlectured adjective

Etymology

Origin of lecture

First recorded in 1375–1425; late Middle English, from Medieval Latin lēctūra “a reading”; lection, -ure

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She said she was also supposed to deliver a guest lecture on her thesis, cat-sit for a friend and pick up her books.

From BBC • Mar. 27, 2026

The results will be published online by Tarbat Discovery Centre and shared in a public lecture in late 2026.

From BBC • Mar. 25, 2026

Government spokesman Pavlos Marinakis insisted that the venue chosen, a remodelled university lecture hall in the central city of Larissa, was one of the two biggest courtrooms in Greece.

From Barron's • Mar. 23, 2026

It would never be mistaken for a dry lecture or a didactic pamphlet.

From Los Angeles Times • Mar. 13, 2026

He left the door wide-open, and I knew there would be a lecture from Mrs. Lloyd about air-conditioning costs, so I pulled the door shut behind me as I followed him out.

From "The Line Tender" by Kate Allen