Source : Webster's Revised Unabridged Dictionary (1913)

Omnifarious \Om`ni*fa"ri*ous\, a. [L. omnifarius; omnis all +
   -farius. Cf. {Bifarious}.]
   Of all varieties, forms, or kinds. ``Omnifarious learning.''
   --Coleridge.

Source : WordNet®

omnifarious
     adj : of all varieties or forms or kinds; "omnifarious reading"