Definition, synonyms and related words
plural of lecture
"The professor's lectures on quantum mechanics were both challenging and inspiring."
Third-person singular simple present indicative form of lecture
"The professor lectures on ancient history every Tuesday morning."
In plain English: To lecture someone means to talk at them in an annoying, bossy way while telling them what they should do or how they are wrong.
"His mother lectures him every time he leaves his dishes in the sink."