Lecture
Lecture verb - To give a formal often extended talk on a subject.
Usage example: a physician who has lectured before countless women's groups on the importance of self-examination in the early detection of breast cancer
Speak is a synonym for lecture in speech topic. In some cases you can use "Speak" instead a verb "Lecture", when it comes to topics like words, talk, speak at length, give a lecture. popular alternative
Speak
Speak verb - To give a formal often extended talk on a subject.
Usage example: the Mayanists have been invited to speak about their latest archaeological discoveries
Lecture is a synonym for speak in speech topic. You can use "Lecture" instead a verb "Speak", if it concerns topics such as words, reprimand, speak at length, give a speech. popular alternative
Mutual synonyms
Both words in one sentence
- The guy's really just driving him to the lecture he was scheduled to do (and is extremely late for) and doesn't speak English.
Source: Not My Driver - For Cale this is generally used by the main characters so that they speak with extra authority when they're about to lecture him for being naive.
Source: Race Name Basis -
This earns him a lecture from a third character who can speak with the dead about how this is unnatural and wrong and he can't ever do it again.
Source: Healing Hands
Cite this Source
Speak and Lecture. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/lecture/speak
Lecture & Speak. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/lecture/speak>.
Speak or Lecture. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/lecture/speak.
Google Ngram Viewer shows how "lecture" and "speak" have occurred on timeline