资料来源 : Webster's Revised Unabridged Dictionary (1913)

Enormousness \E*nor"mous*ness\, n.
   The state of being enormous.

资料来源 : WordNet®

enormousness
     n : unusual largeness in size or extent [syn: {grandness}, {greatness},
          {immenseness}, {immensity}, {sizeableness}, {vastness}]