The term "most lecturelike" refers to something that resembles or feels like a lecture. If you're looking for synonyms for this term, you can consider words like "didactic", "pedantic", "pontifical", "sermonic", "academic", "preachy", "instructive", "educational", "expository", "explicative", or "cerebral". Each of these words has a slightly different connotation and usage, so you should choose the one that fits your context the best. Whether you're talking about a boring class, a formal speech, or a tedious seminar, there are many ways to describe something that feels like a lecture without using the same phrase over and over again.