Source : Webster's Revised Unabridged Dictionary (1913)

Infertility \In`fer*til"i*ty\, n. [L. infertilitas: cf. F.
   infertilit['e].]
   The state or quality of being infertile; unproductiveness;
   barrenness.

         The infertility or noxiousness of the soil. --Sir M.
                                                  Hale.

Source : WordNet®

infertility
     n : the state of being unable to produce offspring; in a woman
         it is an inability to conceive; in a man it is an
         inability to impregnate [syn: {sterility}] [ant: {fertility}]