Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
dishevelled is an adjective meaning "in disarray; extremely disorderly". It carries one recorded sense.
in disarray; extremely disorderly
“her clothing was disheveled”
“powder-smeared and frowzled”
“a rumpled unmade bed”
“a bed with tousled sheets”
“his brown hair was tousled, thick, and curly”
Definitions, synonyms and semantic relations for dishevelled come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.