Source : Webster's Revised Unabridged Dictionary (1913)

Unbending \Un*bend"ing\, a. [In senses 1, 2, and 3, pref. un-
   not + bending; in sense 4, properly p. pr. unbend.]
   1. Not bending; not suffering flexure; not yielding to
      pressure; stiff; -- applied to material things.

            Flies o'er unbending corn, and skims along the main.
                                                  --Pope.

   2. Unyielding in will; not subject to persuasion or
      influence; inflexible; resolute; -- applied to persons.

   3. Unyielding in nature; unchangeable; fixed; -- applied to
      abstract ideas; as, unbending truths.

   4. Devoted to relaxation or amusement. [R.]

            It may entertain your lordships at an unbending
            hour.                                 --Rowe.
      -- {Un*bend"ing*ly}, adv. -- {Un*bend"ing*ness}, n.