Source : Webster's Revised Unabridged Dictionary (1913)

Ungentle \Un*gen"tle\, a.
   Not gentle; lacking good breeding or delicacy; harsh.

         Vicious, ungentle, foolish, blunt, unkind. --Shak.

         That ungentle flavor which distinguishes nearly all our
         native and uncultivated grapes.          --Hawthorne.
   -- {Un*gen"tle*ness}, n. -- {Un*gen"tly}, adv.

Source : WordNet®

ungentle
     adj : not of the nobility; "of ignoble (or ungentle) birth";
           "untitled civilians" [syn: {ignoble}, {untitled}]