| Caesar (n.) A Roman emperor, as being the successor of Augustus Caesar. Hence, a kaiser, or emperor of Germany, or any emperor or powerful ruler. See Kesar. Thesaurus Entries Dalai Lama, Holy Roman Emperor, Inca, Kaiser, Simon Legree, absolute monarch, absolute ruler, all-powerful ruler, ardri, arrogator, autarch, autocrat, bey, cacique, cham, commissar, czar, despot, dictator, disciplinarian, driver, duce, hard master, kaid, khan, martinet, mikado, negus, oligarch, oppressor, padishah, pendragon, pharaoh, rig, sachem, sagamore, shah, sheikh, shogun, slave driver, stickler, tenno, tycoon, tyrant, usurper, warlord |