Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
insatiate is an adjective meaning "impossible to satisfy". It carries one recorded sense.
impossible to satisfy
“an insatiate appetite”
“an insatiable demand for old buildings to restore”
“his passion for work was unsatiable”
Definitions, synonyms and semantic relations for insatiate come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.