Source : Webster's Revised Unabridged Dictionary (1913)

Displeasant \Dis*pleas"ant\, a. [OF. desplaisant, F.
   d['e]plaisant. See {Displease}.]
   Unpleasing; offensive; unpleasant. [Obs.] --Speed. --
   {Dis*pleas"ant*ly}, adv. [Obs.] --Strype. --
   {Dis*pleas"ant*ness}, n. [Obs.]