Source : Webster's Revised Unabridged Dictionary (1913)

Lameness \Lame"ness\, n.
   The condition or quality of being lame; as, the lameness of
   an excuse or an argument.

Source : WordNet®

lameness
     n : disability of walking due to crippling of the legs or feet
         [syn: {limping}, {gimp}, {gimpiness}, {gameness}, {claudication}]