When your teacher stands up in front of you and teaches by talking about the latest chapter you've read or explaining how to do a new math problem - he is giving a lecture.

A lecture is most often used to describe a method of teaching, particularly popular in college, where professors give organized talks as lessons to large groups of students. It is not quite as positive when children level the term at their parents — "Don't lecture me!" — for criticizing their clothes, their friends or their music. Lecture can also be used to describe any public talk, most often by an expert.

Definitions of lecture

n a speech that is open to the public

“he attended a lecture on telecommunications”
public lecture, talk
Type of:
address, speech
the act of delivering a formal spoken communication to an audience

n teaching by giving a discourse on some subject (typically to a class)

the act of giving a talk to an audience
chalk talk
a talk that uses a blackboard and chalk
Type of:
instruction, pedagogy, teaching
the profession of a teacher

n a lengthy rebuke

“a good lecture was my father's idea of discipline”
speech, talking to
preaching, sermon
a moralistic rebuke
curtain lecture
a private lecture to a husband by his wife
Type of:
rebuke, reprehension, reprimand, reproof, reproval
an act or expression of criticism and censure

v deliver a lecture or talk

“Did you ever lecture at Harvard?”
preach, prophesy
deliver a sermon
evangelise, evangelize
preach the gospel (to)
Type of:
instruct, learn, teach
impart skills or knowledge to

v censure severely or angrily

bawl out, berate, call down, call on the carpet, chew out, chew up, chide, dress down, have words, jaw, lambast, lambaste, rag, rebuke, remonstrate, reprimand, reproof, scold, take to task, trounce, vituperate
castigate, chasten, chastise, correct, objurgate
censure severely
brush down, tell off
criticize harshly, usually via an electronic medium
Type of:
criticise, criticize, knock, pick apart
find fault with; express criticism of; point out real or perceived flaws

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