Didactic

a.	1.	Fitted or intended to teach; conveying instruction; preceptive; instructive; teaching some moral lesson; as, didactic essays. The finest didactic poem in any language. - Macaulay.
	2.	excessively prone to instruct, even those who do not wish to be instructed; - of people.
n.	1.	A treatise on teaching or education.

Adj.

1.

didactic - instructive (especially excessively) Synonyms: didactical

Alcaic, Anacreontic, Castalian, Homeric, Hudibrastic, Pierian, Pindaric, Theocritean, admonitory, advisory, authoritative, autodidactic, bardic, binding, bucolic, canonical, cautionary, coeducational, consultative, consultatory, cultural, dictated, directive, disciplinary, dithyrambic, dramatic, eclogic, edifying, educating, educational, educative, elegiac, enlightening, epic, exhortative, exhortatory, expostulative, expostulatory, formulary, hard and fast, heroic, homiletic, hortative, hortatory, idyllic, illuminating, informative, initiatory, instructive, introductory, lecturing, mandatory, mock-heroic, monitorial, monitory, moral, moralistic, moralizing, narrative, official, pastoral, poetic, poetico-mystical, poetico-mythological, poetico-philosophic, poetlike, preaching, preachy, preceptive, prescribed, prescript, prescriptive, propaedeutic, recommendatory, regulation, remonstrant, remonstrative, remonstratory, rhapsodic, rubric, runic, sapphic, self-teaching, sententious, sermonizing, skaldic, standard, statutory, teaching, teachy, tuitionary, warning