Synonyms for Didactic:

adj.

academic (adjective)
educational.
all (adjective)
didactical.
educational (adjective)
academic, pedantic, instructive, preachy, moralizing, expository, moral.
instructive (adjective)
didactical.

n.

advanced, formal, curricular, graduate, elementary, applied, diachronic. moralizing, teach, spirited, loud, single-minded, opinionated, moral, vocal, violent, rabid. preachy. didactic (noun)
didactical, instructive, informative.
instructive (noun)
educational, pedantic, academic, preachy, expository.

Other synonyms:

applied, opinionated, diachronic, spirited, moralizing, curricular, elementary. advanced, preachy, single-minded, rabid, graduate, academic. formal, vocal. loud. formal
pedantic.
moralizing
moral.
Other relevant words:
educational, advanced, academic, rabid, spirited, applied, violent, opinionated, graduate, elementary, formal, single-minded, pedantic, moralizing, preachy, curricular, diachronic, moral, loud, expository, teach, vocal.

Usage examples for didactic

  1. Betty laughed gaily at good Lady Fenimore's somewhat didactic reproof. – The Red Planet by William J. Locke
  2. No narrative, dramatic, didactic or epic poetry of any importance arose, and many questions and answers might be made concerning this curious restriction of development. – The High Deeds of Finn and other Bardic Romances of Ancient Ireland by T. W. Rolleston
  3. Next to the poem of Lucretius it is, therefore, much the largest in bulk of extant Latin didactic poems. – Latin Literature by J. W. Mackail