The Collaborative International Dictionary of English v.0.48:
Omnifarious \Om`ni*fa"ri*ous\, a. [L. omnifarius; omnis all + -farius. Cf. Bifarious.] Of all varieties, forms, or kinds. "Omnifarious learning." --Coleridge. [1913 Webster]WordNet (r) 3.0 (2006):
omnifarious adj 1: of all varieties or forms or kinds; "omnifarious reading"