Source : Webster's Revised Unabridged Dictionary (1913)

Pleonastic \Ple`o*nas"tic\, Pleonastical \Ple`o*nas"tic*al\, a.
   [Cf. F. pl['e]onastique.]
   Of or pertaining to pleonasm; of the nature of pleonasm;
   redundant.

Source : WordNet®

pleonastic
     adj : repetition of same sense in different words; "`a true fact'
           and `a free gift' are pleonastic expressions"; "the
           phrase `a beginner who has just started' is
           tautological"; "at the risk of being redundant I return
           to my original proposition"- J.B.Conant [syn: {redundant},
            {tautologic}, {tautological}]