Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
didactical is an adjective meaning "instructive (especially excessively)". It carries one recorded sense.
instructive (especially excessively)
Definitions, synonyms and semantic relations for didactical come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.