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-fed is an adjective meaning "not getting adequate food". It carries one recorded sense.
not getting adequate food
“gaunt underfed children”
“badly undernourished”
Definitions, synonyms and semantic relations for ill-fed come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.