polysyllabic
po lee si la bik
- s having or characterized by words of more than three syllables
 - s (of words) long and ponderous; having many syllables
 
- He shows off his forensic marksmanship in a weekly TV debate called Firing Line, on which he confronts his adversaries with a polysyllabic vocabulary and an arsenal of .
 - His speeches were orations, models of polysyllabic splendor.
 - After several minutes his learned listeners still understood nothing of his polysyllabic lecture.