Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
disorganised is an adjective meaning "lacking order or methodical arrangement or function". It carries one recorded sense.
lacking order or methodical arrangement or function
“a disorganized enterprise”
“a thousand pages of muddy and disorganized prose”
“she was too disorganized to be an agreeable roommate”
Definitions, synonyms and semantic relations for disorganised come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.