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