pleonastrare—1.|ˈpliːənæst| [f.Gr. type *πλεοναστής, agent-n. f. πλεονάζειν; see pleonasm.] One who uses pleonasm. 1863Reade Hard Cash II. xxv. 120 The mellifluous pleonast..oiling his paradox with fresh polysyllables, to make it slip into the Banker's narrow understanding.