The spelling of the word "Hagerty" in IPA phonetic transcription is /ˈhæɡərti/. The first syllable "hag" is pronounced with a short "a" sound, as in "cat", followed by a hard "g" sound. The second syllable "er" is pronounced with a short "e" sound, as in "bed", followed by a rolled "r" sound. The final syllable "ty" is pronounced with a short "i" sound, as in "sit", followed by a "t" sound. Thus, the phonetic transcription helps to accurately spell out the pronunciation of the word "Hagerty".