'Intensiveness' definitions:

Definition of 'intensiveness'

(from WordNet)
noun
High level or degree; the property of being intense [syn: intensity, intensiveness]

Definition of 'Intensiveness'

From: GCIDE
  • Intensiveness \In*ten"sive*ness\, n. The quality or state of being intensive; intensity. --Sir M. Hale. [1913 Webster]