Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
unforesightful is an adjective meaning "lacking foresight or scope". It carries one recorded sense.
lacking foresight or scope
“a short view of the problem”
“shortsighted policies”
“shortsighted critics derided the plan”
“myopic thinking”
Definitions, synonyms and semantic relations for unforesightful come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.