Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unintelligent is an adjective meaning "lacking intelligence". It carries one recorded sense.
lacking intelligence
“a dull job with lazy and unintelligent co-workers”
Definitions, synonyms and semantic relations for unintelligent come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.