Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
longsighted is an adjective meaning "capable of seeing to a great distance". It carries 2 recorded senses.
capable of seeing to a great distance
planning prudently for the future
“large goals that required farsighted policies”
“took a long view of the geopolitical issues”
Definitions, synonyms and semantic relations for longsighted come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.