Source : Webster's Revised Unabridged Dictionary (1913)

Repulsive \Re*pul"sive\ (-s?v), a. [Cf. F. r['e]pulsif.]
   1. Serving, or able, to repulse; repellent; as, a repulsive
      force.

            Repulsive of his might the weapon stood. --Pope.

   2. Cold; forbidding; offensive; as, repulsive manners. --
      {Re*pul"sive*ly}, adv. -- {Re*pul"sive*ness}, n.

Source : WordNet®

repulsiveness
     n : the quality of being disgusting to the senses or emotions
         [syn: {loathsomeness}, {sliminess}, {vileness}]