Of or pertaining to rhetorical declaiming; of the nature of, or characterized by, declamation.

Characterized by declamation, recitation, or oratory, esp. when delivered at length or without thought or reflection. In later use frequently with…

That lectures.

Inclined to preach; given to preaching; characterized by a preaching manner or style; tediously moralistic or sententious.

Of a person: engaging in table-thumping, esp. loud or aggressive in the expression of opinions; (of words, speech, etc.) characterized by…