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