The Collaborative International Dictionary of English v.0.48:

Huge \Huge\, a. [Compar. Huger; superl. Hugest.] [OE. huge,
   hoge, OF. ahuge, ahoge.]
   Very large; enormous; immense; excessive; -- used esp. of
   material bulk, but often of qualities, extent, etc.; as, a
   huge ox; a huge space; a huge difference. "The huge
   confusion." --Chapman. "A huge filly." --Jer. Taylor. --
   Huge"ly, adv. -- Huge"ness, n.
   [1913 Webster]

         Doth it not flow as hugely as the sea.   --Shak.

   Syn: Enormous; gigantic; colossal; immense; prodigious; vast.
        [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "hugeness":
   ampleness, amplitude, boundlessness, bulk, enormity, enormousness,
   expanse, formidableness, fullness, gigantism, grandeur, grandness,
   great scope, greatness, immensity, infinity, intensity, largeness,
   magnitude, might, mightiness, monstrosity, monstrousness, muchness,
   plenitude, power, prodigiousness, strength, stupendousness,
   tremendousness, vastness