ses-qui-pe-da-li-an / ˌseskwəpəˈdālyən
adjective containing many syllables Perhaps sesquipedalian chemical names just sound dangerous. Neil deGrasse Tyson, 1958- prone to using long words …if you have difficulty deciphering my sesquipedalian language, then you must be even more intimidated by my magnitudinous appearance. Peggy Christian, ?-