Synonyms for lecture

noun

1. A speech

   discourse, address, talk; see speech 3.

2. A reprimand

   rebuke, talking-to, dressing-down; see rebuke. See syn. study at speech.

verb

1. To give a speech

   talk, speak, expound; see address 2, teach 1.

2. To rebuke

   scold, reprimand, admonish, chide, take to task*, upbraid, chew out*, give a good talking to*; give a going-over*, give a piece of one's mind*; see also censure, scold.