Source : Webster's Revised Unabridged Dictionary (1913)

Supersensitive \Su`per*sen"si*tive\, a.
   Excessively sensitive; morbidly sensitive. --
   {Su`per*sen"si*tive*ness}, n.

Source : WordNet®

supersensitive
     adj : having an allergy or peculiar or excessive susceptibility
           (especially to a specific factor); "allergic children";
           "hypersensitive to pollen" [syn: {allergic}, {hypersensitive},
            {hypersensitized}, {hypersensitised}, {sensitized}, {sensitised},
            {supersensitized}, {supersensitised}]