The word "hippish" is spelled with a double consonant "p" and an "ish" suffix which means "having the qualities of". The first syllable "hip" is pronounced with a short "i" sound [hɪp], followed by the double "p" sound [p]. The "ish" suffix is pronounced with a stressed "i" sound [ɪʃ]. Therefore, the IPA phonetic transcription for "hippish" is [ˈhɪpɪʃ]. This word might be used to describe someone or something that has characteristics or attitudes associated with the counterculture movement of the 1960s.
Somewhat hypochondriac.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.